278538237

素因数分解:

$3^3\times {\mathrm{1039}}^1\times {\mathrm{9929}}^1$

素因数の和:10977

約数の個数: 16

約数和(自身を含む): 413088000

約数和(自身を除く): 134549763

約数列:

[1, 3, 9, 27, 1039, 3117, 9351, 9929, 28053, 29787, 89361, 268083, 10316231, 30948693, 92846079, 278538237]

約数ペア:

[(1, 278538237), (3, 92846079), (9, 30948693), (27, 10316231), (1039, 268083), (3117, 89361), (9351, 29787), (9929, 28053)]