55391475

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 96636672

約数和(自身を除く): 41245197

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 163, 197, 345, 489, 575, 591, 815, 985, 1725, 2445, 2955, 3749, 4075, 4531, 4925, 11247, 12225, 13593, 14775, 18745, 22655, 32111, 56235, 67965, 93725, 96333, 113275, 160555, 281175, 339825, 481665, 738553, 802775, 2215659, 2408325, 3692765, 11078295, 18463825, 55391475]

約数ペア:

[(1, 55391475), (3, 18463825), (5, 11078295), (15, 3692765), (23, 2408325), (25, 2215659), (69, 802775), (75, 738553), (115, 481665), (163, 339825), (197, 281175), (345, 160555), (489, 113275), (575, 96333), (591, 93725), (815, 67965), (985, 56235), (1725, 32111), (2445, 22655), (2955, 18745), (3749, 14775), (4075, 13593), (4531, 12225), (4925, 11247)]