81776375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1327}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 111870720

約数和(自身を除く): 30094345

約数列:

[1, 5, 17, 25, 29, 85, 125, 145, 425, 493, 725, 1327, 2125, 2465, 3625, 6635, 12325, 22559, 33175, 38483, 61625, 112795, 165875, 192415, 563975, 654211, 962075, 2819875, 3271055, 4810375, 16355275, 81776375]

約数ペア:

[(1, 81776375), (5, 16355275), (17, 4810375), (25, 3271055), (29, 2819875), (85, 962075), (125, 654211), (145, 563975), (425, 192415), (493, 165875), (725, 112795), (1327, 61625), (2125, 38483), (2465, 33175), (3625, 22559), (6635, 12325)]