71312565

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 116603136

約数和(自身を除く): 45290571

約数列:

[1, 3, 5, 15, 101, 103, 303, 309, 457, 505, 515, 1371, 1515, 1545, 2285, 6855, 10403, 31209, 46157, 47071, 52015, 138471, 141213, 156045, 230785, 235355, 692355, 706065, 4754171, 14262513, 23770855, 71312565]

約数ペア:

[(1, 71312565), (3, 23770855), (5, 14262513), (15, 4754171), (101, 706065), (103, 692355), (303, 235355), (309, 230785), (457, 156045), (505, 141213), (515, 138471), (1371, 52015), (1515, 47071), (1545, 46157), (2285, 31209), (6855, 10403)]