64690725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4127}}^1$

素因数の和:4170

約数の個数: 48

約数和(自身を含む): 122849280

約数和(自身を除く): 58158555

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 165, 209, 275, 285, 475, 627, 825, 1045, 1425, 3135, 4127, 5225, 12381, 15675, 20635, 45397, 61905, 78413, 103175, 136191, 226985, 235239, 309525, 392065, 680955, 862543, 1134925, 1176195, 1960325, 2587629, 3404775, 4312715, 5880975, 12938145, 21563575, 64690725]

約数ペア:

[(1, 64690725), (3, 21563575), (5, 12938145), (11, 5880975), (15, 4312715), (19, 3404775), (25, 2587629), (33, 1960325), (55, 1176195), (57, 1134925), (75, 862543), (95, 680955), (165, 392065), (209, 309525), (275, 235239), (285, 226985), (475, 136191), (627, 103175), (825, 78413), (1045, 61905), (1425, 45397), (3135, 20635), (4127, 15675), (5225, 12381)]