8904865221

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:416

約数の個数: 128

約数和(自身を含む): 15969484800

約数和(自身を除く): 7064619579

約数列:

[1, 3, 7, 9, 21, 27, 37, 59, 63, 111, 113, 177, 189, 191, 259, 333, 339, 413, 531, 573, 777, 791, 999, 1017, 1239, 1337, 1593, 1719, 2183, 2331, 2373, 3051, 3717, 4011, 4181, 5157, 6549, 6667, 6993, 7067, 7119, 11151, 11269, 12033, 12543, 15281, 19647, 20001, 21201, 21357, 21583, 29267, 33807, 36099, 37629, 45843, 46669, 49469, 58941, 60003, 63603, 64749, 78883, 87801, 101421, 112887, 137529, 140007, 148407, 151081, 180009, 190809, 194247, 236649, 246679, 263403, 304263, 412587, 416953, 420021, 445221, 453243, 582741, 709947, 740037, 790209, 798571, 1250859, 1260063, 1273397, 1335663, 1359729, 1726753, 2129841, 2220111, 2395713, 2918671, 3752577, 3820191, 4079187, 5180259, 5589997, 6660333, 7187139, 8756013, 8913779, 11257731, 11460573, 15540777, 16769991, 21561417, 26268039, 26741337, 34381719, 46622331, 47115689, 50309973, 78804117, 80224011, 141347067, 150929919, 240672033, 329809823, 424041201, 989429469, 1272123603, 2968288407, 8904865221]

約数ペア:

[(1, 8904865221), (3, 2968288407), (7, 1272123603), (9, 989429469), (21, 424041201), (27, 329809823), (37, 240672033), (59, 150929919), (63, 141347067), (111, 80224011), (113, 78804117), (177, 50309973), (189, 47115689), (191, 46622331), (259, 34381719), (333, 26741337), (339, 26268039), (413, 21561417), (531, 16769991), (573, 15540777), (777, 11460573), (791, 11257731), (999, 8913779), (1017, 8756013), (1239, 7187139), (1337, 6660333), (1593, 5589997), (1719, 5180259), (2183, 4079187), (2331, 3820191), (2373, 3752577), (3051, 2918671), (3717, 2395713), (4011, 2220111), (4181, 2129841), (5157, 1726753), (6549, 1359729), (6667, 1335663), (6993, 1273397), (7067, 1260063), (7119, 1250859), (11151, 798571), (11269, 790209), (12033, 740037), (12543, 709947), (15281, 582741), (19647, 453243), (20001, 445221), (21201, 420021), (21357, 416953), (21583, 412587), (29267, 304263), (33807, 263403), (36099, 246679), (37629, 236649), (45843, 194247), (46669, 190809), (49469, 180009), (58941, 151081), (60003, 148407), (63603, 140007), (64749, 137529), (78883, 112887), (87801, 101421)]