85491825

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 146657280

約数和(自身を除く): 61165455

約数列:

[1, 3, 5, 15, 25, 47, 75, 79, 141, 235, 237, 307, 395, 705, 921, 1175, 1185, 1535, 1975, 3525, 3713, 4605, 5925, 7675, 11139, 14429, 18565, 23025, 24253, 43287, 55695, 72145, 72759, 92825, 121265, 216435, 278475, 360725, 363795, 606325, 1082175, 1139891, 1818975, 3419673, 5699455, 17098365, 28497275, 85491825]

約数ペア:

[(1, 85491825), (3, 28497275), (5, 17098365), (15, 5699455), (25, 3419673), (47, 1818975), (75, 1139891), (79, 1082175), (141, 606325), (235, 363795), (237, 360725), (307, 278475), (395, 216435), (705, 121265), (921, 92825), (1175, 72759), (1185, 72145), (1535, 55695), (1975, 43287), (3525, 24253), (3713, 23025), (4605, 18565), (5925, 14429), (7675, 11139)]