72261975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 125920512

約数和(自身を除く): 53658537

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 163, 257, 345, 489, 575, 771, 815, 1285, 1725, 2445, 3749, 3855, 4075, 5911, 6425, 11247, 12225, 17733, 18745, 19275, 29555, 41891, 56235, 88665, 93725, 125673, 147775, 209455, 281175, 443325, 628365, 963493, 1047275, 2890479, 3141825, 4817465, 14452395, 24087325, 72261975]

約数ペア:

[(1, 72261975), (3, 24087325), (5, 14452395), (15, 4817465), (23, 3141825), (25, 2890479), (69, 1047275), (75, 963493), (115, 628365), (163, 443325), (257, 281175), (345, 209455), (489, 147775), (575, 125673), (771, 93725), (815, 88665), (1285, 56235), (1725, 41891), (2445, 29555), (3749, 19275), (3855, 18745), (4075, 17733), (5911, 12225), (6425, 11247)]