80809875

素因数分解:

$3^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 147232800

約数和(自身を除く): 66422925

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 125, 225, 327, 375, 545, 659, 981, 1125, 1635, 1977, 2725, 3295, 4905, 5931, 8175, 9885, 13625, 16475, 24525, 29655, 40875, 49425, 71831, 82375, 122625, 148275, 215493, 247125, 359155, 646479, 741375, 1077465, 1795775, 3232395, 5387325, 8978875, 16161975, 26936625, 80809875]

約数ペア:

[(1, 80809875), (3, 26936625), (5, 16161975), (9, 8978875), (15, 5387325), (25, 3232395), (45, 1795775), (75, 1077465), (109, 741375), (125, 646479), (225, 359155), (327, 247125), (375, 215493), (545, 148275), (659, 122625), (981, 82375), (1125, 71831), (1635, 49425), (1977, 40875), (2725, 29655), (3295, 24525), (4905, 16475), (5931, 13625), (8175, 9885)]