667575

素因数分解:

$3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:85

約数の個数: 48

約数和(自身を含む): 1309440

約数和(自身を除く): 641865

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 43, 45, 69, 75, 115, 129, 135, 207, 215, 225, 345, 387, 575, 621, 645, 675, 989, 1035, 1075, 1161, 1725, 1935, 2967, 3105, 3225, 4945, 5175, 5805, 8901, 9675, 14835, 15525, 24725, 26703, 29025, 44505, 74175, 133515, 222525, 667575]

約数ペア:

[(1, 667575), (3, 222525), (5, 133515), (9, 74175), (15, 44505), (23, 29025), (25, 26703), (27, 24725), (43, 15525), (45, 14835), (69, 9675), (75, 8901), (115, 5805), (129, 5175), (135, 4945), (207, 3225), (215, 3105), (225, 2967), (345, 1935), (387, 1725), (575, 1161), (621, 1075), (645, 1035), (675, 989)]