1990652139

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4721}}^1$

素因数の和:4857

約数の個数: 64

約数和(自身を含む): 3553966080

約数和(自身を除く): 1563313941

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 97, 161, 189, 207, 291, 483, 621, 679, 873, 1449, 2037, 2231, 2619, 4347, 4721, 6111, 6693, 14163, 15617, 18333, 20079, 33047, 42489, 46851, 60237, 99141, 108583, 127467, 140553, 297423, 325749, 421659, 457937, 760081, 892269, 977247, 1373811, 2280243, 2931741, 3205559, 4121433, 6840729, 9616677, 10532551, 12364299, 20522187, 28850031, 31597653, 73727857, 86550093, 94792959, 221183571, 284378877, 663550713, 1990652139]

約数ペア:

[(1, 1990652139), (3, 663550713), (7, 284378877), (9, 221183571), (21, 94792959), (23, 86550093), (27, 73727857), (63, 31597653), (69, 28850031), (97, 20522187), (161, 12364299), (189, 10532551), (207, 9616677), (291, 6840729), (483, 4121433), (621, 3205559), (679, 2931741), (873, 2280243), (1449, 1373811), (2037, 977247), (2231, 892269), (2619, 760081), (4347, 457937), (4721, 421659), (6111, 325749), (6693, 297423), (14163, 140553), (15617, 127467), (18333, 108583), (20079, 99141), (33047, 60237), (42489, 46851)]