87780615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4457}}^1$

素因数の和:4579

約数の個数: 32

約数和(自身を含む): 152784576

約数和(自身を除く): 65003961

約数列:

[1, 3, 5, 13, 15, 39, 65, 101, 195, 303, 505, 1313, 1515, 3939, 4457, 6565, 13371, 19695, 22285, 57941, 66855, 173823, 289705, 450157, 869115, 1350471, 2250785, 5852041, 6752355, 17556123, 29260205, 87780615]

約数ペア:

[(1, 87780615), (3, 29260205), (5, 17556123), (13, 6752355), (15, 5852041), (39, 2250785), (65, 1350471), (101, 869115), (195, 450157), (303, 289705), (505, 173823), (1313, 66855), (1515, 57941), (3939, 22285), (4457, 19695), (6565, 13371)]