668801475

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^2\times {\mathrm{1873}}^1$

素因数の和:1938

約数の個数: 72

約数和(自身を含む): 1285039280

約数和(自身を除く): 616237805

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 115, 135, 207, 225, 345, 529, 575, 621, 675, 1035, 1587, 1725, 1873, 2645, 3105, 4761, 5175, 5619, 7935, 9365, 13225, 14283, 15525, 16857, 23805, 28095, 39675, 43079, 46825, 50571, 71415, 84285, 119025, 129237, 140475, 215395, 252855, 357075, 387711, 421425, 646185, 990817, 1076975, 1163133, 1264275, 1938555, 2972451, 3230925, 4954085, 5815665, 8917353, 9692775, 14862255, 24770425, 26752059, 29078325, 44586765, 74311275, 133760295, 222933825, 668801475]

約数ペア:

[(1, 668801475), (3, 222933825), (5, 133760295), (9, 74311275), (15, 44586765), (23, 29078325), (25, 26752059), (27, 24770425), (45, 14862255), (69, 9692775), (75, 8917353), (115, 5815665), (135, 4954085), (207, 3230925), (225, 2972451), (345, 1938555), (529, 1264275), (575, 1163133), (621, 1076975), (675, 990817), (1035, 646185), (1587, 421425), (1725, 387711), (1873, 357075), (2645, 252855), (3105, 215395), (4761, 140475), (5175, 129237), (5619, 119025), (7935, 84285), (9365, 71415), (13225, 50571), (14283, 46825), (15525, 43079), (16857, 39675), (23805, 28095)]