1256715

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 2352240

約数和(自身を除く): 1095525

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 107, 135, 145, 261, 321, 405, 435, 535, 783, 963, 1305, 1605, 2349, 2889, 3103, 3915, 4815, 8667, 9309, 11745, 14445, 15515, 27927, 43335, 46545, 83781, 139635, 251343, 418905, 1256715]

約数ペア:

[(1, 1256715), (3, 418905), (5, 251343), (9, 139635), (15, 83781), (27, 46545), (29, 43335), (45, 27927), (81, 15515), (87, 14445), (107, 11745), (135, 9309), (145, 8667), (261, 4815), (321, 3915), (405, 3103), (435, 2889), (535, 2349), (783, 1605), (963, 1305)]