1681515

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 3294720

約数和(自身を除く): 1613205

約数列:

[1, 3, 5, 9, 11, 15, 33, 43, 45, 55, 79, 99, 129, 165, 215, 237, 387, 395, 473, 495, 645, 711, 869, 1185, 1419, 1935, 2365, 2607, 3397, 3555, 4257, 4345, 7095, 7821, 10191, 13035, 16985, 21285, 30573, 37367, 39105, 50955, 112101, 152865, 186835, 336303, 560505, 1681515]

約数ペア:

[(1, 1681515), (3, 560505), (5, 336303), (9, 186835), (11, 152865), (15, 112101), (33, 50955), (43, 39105), (45, 37367), (55, 30573), (79, 21285), (99, 16985), (129, 13035), (165, 10191), (215, 7821), (237, 7095), (387, 4345), (395, 4257), (473, 3555), (495, 3397), (645, 2607), (711, 2365), (869, 1935), (1185, 1419)]