210944979

素因数分解:

$3^4\times 7^1\times {\mathrm{372037}}^1$

素因数の和:372056

約数の個数: 20

約数和(自身を含む): 360132784

約数和(自身を除く): 149187805

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 372037, 1116111, 2604259, 3348333, 7812777, 10044999, 23438331, 30134997, 70314993, 210944979]

約数ペア:

[(1, 210944979), (3, 70314993), (7, 30134997), (9, 23438331), (21, 10044999), (27, 7812777), (63, 3348333), (81, 2604259), (189, 1116111), (567, 372037)]