18040779

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 28089600

約数和(自身を除く): 10048821

約数列:

[1, 3, 9, 27, 41, 43, 123, 129, 369, 379, 387, 1107, 1137, 1161, 1763, 3411, 5289, 10233, 15539, 15867, 16297, 46617, 47601, 48891, 139851, 146673, 419553, 440019, 668177, 2004531, 6013593, 18040779]

約数ペア:

[(1, 18040779), (3, 6013593), (9, 2004531), (27, 668177), (41, 440019), (43, 419553), (123, 146673), (129, 139851), (369, 48891), (379, 47601), (387, 46617), (1107, 16297), (1137, 15867), (1161, 15539), (1763, 10233), (3411, 5289)]