15315755

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 23200128

約数和(自身を除く): 7884373

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 821, 1435, 2665, 3731, 4105, 5747, 10673, 18655, 28735, 33661, 53365, 74711, 168305, 235627, 373555, 437593, 1178135, 2187965, 3063151, 15315755]

約数ペア:

[(1, 15315755), (5, 3063151), (7, 2187965), (13, 1178135), (35, 437593), (41, 373555), (65, 235627), (91, 168305), (205, 74711), (287, 53365), (455, 33661), (533, 28735), (821, 18655), (1435, 10673), (2665, 5747), (3731, 4105)]