664214649

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{145757}}^1$

素因数の和:145805

約数の個数: 24

約数和(自身を含む): 1063450368

約数和(自身を除く): 399235719

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 145757, 437271, 1020299, 3060897, 4518467, 7142093, 13555401, 21426279, 31629269, 94887807, 221404883, 664214649]

約数ペア:

[(1, 664214649), (3, 221404883), (7, 94887807), (21, 31629269), (31, 21426279), (49, 13555401), (93, 7142093), (147, 4518467), (217, 3060897), (651, 1020299), (1519, 437271), (4557, 145757)]