7020195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 14300160

約数和(自身を除く): 7279965

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 65, 91, 105, 111, 139, 185, 195, 259, 273, 417, 455, 481, 555, 695, 777, 973, 1295, 1365, 1443, 1807, 2085, 2405, 2919, 3367, 3885, 4865, 5143, 5421, 7215, 9035, 10101, 12649, 14595, 15429, 16835, 25715, 27105, 36001, 37947, 50505, 63245, 66859, 77145, 108003, 180005, 189735, 200577, 334295, 468013, 540015, 1002885, 1404039, 2340065, 7020195]

約数ペア:

[(1, 7020195), (3, 2340065), (5, 1404039), (7, 1002885), (13, 540015), (15, 468013), (21, 334295), (35, 200577), (37, 189735), (39, 180005), (65, 108003), (91, 77145), (105, 66859), (111, 63245), (139, 50505), (185, 37947), (195, 36001), (259, 27105), (273, 25715), (417, 16835), (455, 15429), (481, 14595), (555, 12649), (695, 10101), (777, 9035), (973, 7215), (1295, 5421), (1365, 5143), (1443, 4865), (1807, 3885), (2085, 3367), (2405, 2919)]