128415903

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{977}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 214064640

約数和(自身を除く): 85648737

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 569, 977, 1707, 2931, 3983, 6259, 6839, 10747, 11949, 18777, 20517, 32241, 43813, 75229, 131439, 225687, 555913, 1667739, 3891391, 6115043, 11674173, 18345129, 42805301, 128415903]

約数ペア:

[(1, 128415903), (3, 42805301), (7, 18345129), (11, 11674173), (21, 6115043), (33, 3891391), (77, 1667739), (231, 555913), (569, 225687), (977, 131439), (1707, 75229), (2931, 43813), (3983, 32241), (6259, 20517), (6839, 18777), (10747, 11949)]