668880825

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^3\times {\mathrm{733}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 1157723520

約数和(自身を除く): 488842695

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 529, 575, 733, 1587, 1725, 2199, 2645, 3665, 7935, 10995, 12167, 13225, 16859, 18325, 36501, 39675, 50577, 54975, 60835, 84295, 182505, 252885, 304175, 387757, 421475, 912525, 1163271, 1264425, 1938785, 5816355, 8918411, 9693925, 26755233, 29081775, 44592055, 133776165, 222960275, 668880825]

約数ペア:

[(1, 668880825), (3, 222960275), (5, 133776165), (15, 44592055), (23, 29081775), (25, 26755233), (69, 9693925), (75, 8918411), (115, 5816355), (345, 1938785), (529, 1264425), (575, 1163271), (733, 912525), (1587, 421475), (1725, 387757), (2199, 304175), (2645, 252885), (3665, 182505), (7935, 84295), (10995, 60835), (12167, 54975), (13225, 50577), (16859, 39675), (18325, 36501)]