31379481

素因数分解:

$3^4\times 7^1\times {\mathrm{55343}}^1$

素因数の和:55362

約数の個数: 20

約数和(自身を含む): 53572992

約数和(自身を除く): 22193511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 55343, 166029, 387401, 498087, 1162203, 1494261, 3486609, 4482783, 10459827, 31379481]

約数ペア:

[(1, 31379481), (3, 10459827), (7, 4482783), (9, 3486609), (21, 1494261), (27, 1162203), (63, 498087), (81, 387401), (189, 166029), (567, 55343)]