25474455

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 46665216

約数和(自身を除く): 21190761

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 151, 163, 207, 345, 453, 489, 755, 815, 1035, 1359, 1467, 2265, 2445, 3473, 3749, 6795, 7335, 10419, 11247, 17365, 18745, 24613, 31257, 33741, 52095, 56235, 73839, 123065, 156285, 168705, 221517, 369195, 566099, 1107585, 1698297, 2830495, 5094891, 8491485, 25474455]

約数ペア:

[(1, 25474455), (3, 8491485), (5, 5094891), (9, 2830495), (15, 1698297), (23, 1107585), (45, 566099), (69, 369195), (115, 221517), (151, 168705), (163, 156285), (207, 123065), (345, 73839), (453, 56235), (489, 52095), (755, 33741), (815, 31257), (1035, 24613), (1359, 18745), (1467, 17365), (2265, 11247), (2445, 10419), (3473, 7335), (3749, 6795)]