40378419

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{11593}}^1$

素因数の和:11648

約数の個数: 20

約数和(自身を含む): 61726456

約数和(自身を除く): 21348037

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 11593, 34779, 104337, 313011, 498499, 939033, 1495497, 4486491, 13459473, 40378419]

約数ペア:

[(1, 40378419), (3, 13459473), (9, 4486491), (27, 1495497), (43, 939033), (81, 498499), (129, 313011), (387, 104337), (1161, 34779), (3483, 11593)]