28126125

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1131

約数の個数: 48

約数和(自身を含む): 52955136

約数和(自身を除く): 24829011

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 1035, 1087, 1125, 1725, 2875, 3261, 5175, 5435, 8625, 9783, 16305, 25001, 25875, 27175, 48915, 75003, 81525, 125005, 135875, 225009, 244575, 375015, 407625, 625025, 1125045, 1222875, 1875075, 3125125, 5625225, 9375375, 28126125]

約数ペア:

[(1, 28126125), (3, 9375375), (5, 5625225), (9, 3125125), (15, 1875075), (23, 1222875), (25, 1125045), (45, 625025), (69, 407625), (75, 375015), (115, 244575), (125, 225009), (207, 135875), (225, 125005), (345, 81525), (375, 75003), (575, 48915), (1035, 27175), (1087, 25875), (1125, 25001), (1725, 16305), (2875, 9783), (3261, 8625), (5175, 5435)]