71221995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{577}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 133809312

約数和(自身を除く): 62587317

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 211, 577, 585, 633, 1055, 1731, 1899, 2743, 2885, 3165, 5193, 7501, 8229, 8655, 9495, 13715, 22503, 24687, 25965, 37505, 41145, 67509, 112515, 121747, 123435, 337545, 365241, 608735, 1095723, 1582711, 1826205, 4748133, 5478615, 7913555, 14244399, 23740665, 71221995]

約数ペア:

[(1, 71221995), (3, 23740665), (5, 14244399), (9, 7913555), (13, 5478615), (15, 4748133), (39, 1826205), (45, 1582711), (65, 1095723), (117, 608735), (195, 365241), (211, 337545), (577, 123435), (585, 121747), (633, 112515), (1055, 67509), (1731, 41145), (1899, 37505), (2743, 25965), (2885, 24687), (3165, 22503), (5193, 13715), (7501, 9495), (8229, 8655)]