127472859

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{25799}}^1$

素因数の和:25872

約数の個数: 20

約数和(自身を含む): 193551600

約数和(自身を除く): 66078741

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 25799, 77397, 232191, 696573, 1573739, 2089719, 4721217, 14163651, 42490953, 127472859]

約数ペア:

[(1, 127472859), (3, 42490953), (9, 14163651), (27, 4721217), (61, 2089719), (81, 1573739), (183, 696573), (549, 232191), (1647, 77397), (4941, 25799)]