31865625

素因数分解:

$3^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 63370944

約数和(自身を除く): 31505319

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 103, 125, 165, 225, 275, 309, 375, 495, 515, 625, 825, 927, 1125, 1133, 1375, 1545, 1875, 2475, 2575, 3125, 3399, 4125, 4635, 5625, 5665, 6875, 7725, 9375, 10197, 12375, 12875, 16995, 20625, 23175, 28125, 28325, 34375, 38625, 50985, 61875, 64375, 84975, 103125, 115875, 141625, 193125, 254925, 309375, 321875, 424875, 579375, 708125, 965625, 1274625, 2124375, 2896875, 3540625, 6373125, 10621875, 31865625]

約数ペア:

[(1, 31865625), (3, 10621875), (5, 6373125), (9, 3540625), (11, 2896875), (15, 2124375), (25, 1274625), (33, 965625), (45, 708125), (55, 579375), (75, 424875), (99, 321875), (103, 309375), (125, 254925), (165, 193125), (225, 141625), (275, 115875), (309, 103125), (375, 84975), (495, 64375), (515, 61875), (625, 50985), (825, 38625), (927, 34375), (1125, 28325), (1133, 28125), (1375, 23175), (1545, 20625), (1875, 16995), (2475, 12875), (2575, 12375), (3125, 10197), (3399, 9375), (4125, 7725), (4635, 6875), (5625, 5665)]