478978677

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{137519}}^1$

素因数の和:137574

約数の個数: 20

約数和(自身を含む): 732156480

約数和(自身を除く): 253177803

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 137519, 412557, 1237671, 3713013, 5913317, 11139039, 17739951, 53219853, 159659559, 478978677]

約数ペア:

[(1, 478978677), (3, 159659559), (9, 53219853), (27, 17739951), (43, 11139039), (81, 5913317), (129, 3713013), (387, 1237671), (1161, 412557), (3483, 137519)]