127951875

素因数分解:

$3^2\times 5^4\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 90

約数和(自身を含む): 247042796

約数和(自身を除く): 119090921

約数列:

[1, 3, 5, 9, 15, 23, 25, 43, 45, 69, 75, 115, 125, 129, 207, 215, 225, 345, 375, 387, 529, 575, 625, 645, 989, 1035, 1075, 1125, 1587, 1725, 1875, 1935, 2645, 2875, 2967, 3225, 4761, 4945, 5175, 5375, 5625, 7935, 8625, 8901, 9675, 13225, 14375, 14835, 16125, 22747, 23805, 24725, 25875, 26875, 39675, 43125, 44505, 48375, 66125, 68241, 74175, 80625, 113735, 119025, 123625, 129375, 198375, 204723, 222525, 241875, 330625, 341205, 370875, 568675, 595125, 618125, 991875, 1023615, 1112625, 1706025, 1854375, 2843375, 2975625, 5118075, 5563125, 8530125, 14216875, 25590375, 42650625, 127951875]

約数ペア:

[(1, 127951875), (3, 42650625), (5, 25590375), (9, 14216875), (15, 8530125), (23, 5563125), (25, 5118075), (43, 2975625), (45, 2843375), (69, 1854375), (75, 1706025), (115, 1112625), (125, 1023615), (129, 991875), (207, 618125), (215, 595125), (225, 568675), (345, 370875), (375, 341205), (387, 330625), (529, 241875), (575, 222525), (625, 204723), (645, 198375), (989, 129375), (1035, 123625), (1075, 119025), (1125, 113735), (1587, 80625), (1725, 74175), (1875, 68241), (1935, 66125), (2645, 48375), (2875, 44505), (2967, 43125), (3225, 39675), (4761, 26875), (4945, 25875), (5175, 24725), (5375, 23805), (5625, 22747), (7935, 16125), (8625, 14835), (8901, 14375), (9675, 13225)]