31772775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 55639296

約数和(自身を除く): 23866521

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 113, 115, 163, 339, 345, 489, 565, 575, 815, 1695, 1725, 2445, 2599, 2825, 3749, 4075, 7797, 8475, 11247, 12225, 12995, 18419, 18745, 38985, 55257, 56235, 64975, 92095, 93725, 194925, 276285, 281175, 423637, 460475, 1270911, 1381425, 2118185, 6354555, 10590925, 31772775]

約数ペア:

[(1, 31772775), (3, 10590925), (5, 6354555), (15, 2118185), (23, 1381425), (25, 1270911), (69, 460475), (75, 423637), (113, 281175), (115, 276285), (163, 194925), (339, 93725), (345, 92095), (489, 64975), (565, 56235), (575, 55257), (815, 38985), (1695, 18745), (1725, 18419), (2445, 12995), (2599, 12225), (2825, 11247), (3749, 8475), (4075, 7797)]