2425221

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 20

約数和(自身を含む): 3678400

約数和(自身を除く): 1253179

約数列:

[1, 3, 9, 27, 79, 81, 237, 379, 711, 1137, 2133, 3411, 6399, 10233, 29941, 30699, 89823, 269469, 808407, 2425221]

約数ペア:

[(1, 2425221), (3, 808407), (9, 269469), (27, 89823), (79, 30699), (81, 29941), (237, 10233), (379, 6399), (711, 3411), (1137, 2133)]