188771895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2137}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 354873792

約数和(自身を除く): 166101897

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 151, 195, 453, 585, 755, 1359, 1963, 2137, 2265, 5889, 6411, 6795, 9815, 10685, 17667, 19233, 27781, 29445, 32055, 83343, 88335, 96165, 138905, 250029, 322687, 416715, 968061, 1250145, 1613435, 2904183, 4194931, 4840305, 12584793, 14520915, 20974655, 37754379, 62923965, 188771895]

約数ペア:

[(1, 188771895), (3, 62923965), (5, 37754379), (9, 20974655), (13, 14520915), (15, 12584793), (39, 4840305), (45, 4194931), (65, 2904183), (117, 1613435), (151, 1250145), (195, 968061), (453, 416715), (585, 322687), (755, 250029), (1359, 138905), (1963, 96165), (2137, 88335), (2265, 83343), (5889, 32055), (6411, 29445), (6795, 27781), (9815, 19233), (10685, 17667)]