25814205

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 46949760

約数和(自身を除く): 21135555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 131, 145, 151, 261, 393, 435, 453, 655, 755, 1179, 1305, 1359, 1965, 2265, 3799, 4379, 5895, 6795, 11397, 13137, 18995, 19781, 21895, 34191, 39411, 56985, 59343, 65685, 98905, 170955, 178029, 197055, 296715, 573649, 890145, 1720947, 2868245, 5162841, 8604735, 25814205]

約数ペア:

[(1, 25814205), (3, 8604735), (5, 5162841), (9, 2868245), (15, 1720947), (29, 890145), (45, 573649), (87, 296715), (131, 197055), (145, 178029), (151, 170955), (261, 98905), (393, 65685), (435, 59343), (453, 56985), (655, 39411), (755, 34191), (1179, 21895), (1305, 19781), (1359, 18995), (1965, 13137), (2265, 11397), (3799, 6795), (4379, 5895)]