397495875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{929}}^1$

素因数の和:1117

約数の個数: 64

約数和(自身を含む): 761379840

約数和(自身を除く): 363883965

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 163, 175, 375, 489, 525, 815, 875, 929, 1141, 2445, 2625, 2787, 3423, 4075, 4645, 5705, 6503, 12225, 13935, 17115, 19509, 20375, 23225, 28525, 32515, 61125, 69675, 85575, 97545, 116125, 142625, 151427, 162575, 348375, 427875, 454281, 487725, 757135, 812875, 1059989, 2271405, 2438625, 3179967, 3785675, 5299945, 11357025, 15899835, 18928375, 26499725, 56785125, 79499175, 132498625, 397495875]

約数ペア:

[(1, 397495875), (3, 132498625), (5, 79499175), (7, 56785125), (15, 26499725), (21, 18928375), (25, 15899835), (35, 11357025), (75, 5299945), (105, 3785675), (125, 3179967), (163, 2438625), (175, 2271405), (375, 1059989), (489, 812875), (525, 757135), (815, 487725), (875, 454281), (929, 427875), (1141, 348375), (2445, 162575), (2625, 151427), (2787, 142625), (3423, 116125), (4075, 97545), (4645, 85575), (5705, 69675), (6503, 61125), (12225, 32515), (13935, 28525), (17115, 23225), (19509, 20375)]