16689375

素因数分解:

$3^3\times 5^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 80

約数和(自身を含む): 32989440

約数和(自身を除く): 16300065

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 43, 45, 69, 75, 115, 125, 129, 135, 207, 215, 225, 345, 375, 387, 575, 621, 625, 645, 675, 989, 1035, 1075, 1125, 1161, 1725, 1875, 1935, 2875, 2967, 3105, 3225, 3375, 4945, 5175, 5375, 5625, 5805, 8625, 8901, 9675, 14375, 14835, 15525, 16125, 16875, 24725, 25875, 26703, 26875, 29025, 43125, 44505, 48375, 74175, 77625, 80625, 123625, 129375, 133515, 145125, 222525, 241875, 370875, 388125, 618125, 667575, 725625, 1112625, 1854375, 3337875, 5563125, 16689375]

約数ペア:

[(1, 16689375), (3, 5563125), (5, 3337875), (9, 1854375), (15, 1112625), (23, 725625), (25, 667575), (27, 618125), (43, 388125), (45, 370875), (69, 241875), (75, 222525), (115, 145125), (125, 133515), (129, 129375), (135, 123625), (207, 80625), (215, 77625), (225, 74175), (345, 48375), (375, 44505), (387, 43125), (575, 29025), (621, 26875), (625, 26703), (645, 25875), (675, 24725), (989, 16875), (1035, 16125), (1075, 15525), (1125, 14835), (1161, 14375), (1725, 9675), (1875, 8901), (1935, 8625), (2875, 5805), (2967, 5625), (3105, 5375), (3225, 5175), (3375, 4945)]