31454925

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 54663168

約数和(自身を除く): 23208243

約数列:

[1, 3, 5, 15, 25, 31, 75, 83, 93, 155, 163, 249, 415, 465, 489, 775, 815, 1245, 2075, 2325, 2445, 2573, 4075, 5053, 6225, 7719, 12225, 12865, 13529, 15159, 25265, 38595, 40587, 64325, 67645, 75795, 126325, 192975, 202935, 338225, 378975, 419399, 1014675, 1258197, 2096995, 6290985, 10484975, 31454925]

約数ペア:

[(1, 31454925), (3, 10484975), (5, 6290985), (15, 2096995), (25, 1258197), (31, 1014675), (75, 419399), (83, 378975), (93, 338225), (155, 202935), (163, 192975), (249, 126325), (415, 75795), (465, 67645), (489, 64325), (775, 40587), (815, 38595), (1245, 25265), (2075, 15159), (2325, 13529), (2445, 12865), (2573, 12225), (4075, 7719), (5053, 6225)]