253297443

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{204437}}^1$

素因数の和:204506

約数の個数: 16

約数和(自身を含む): 392520960

約数和(自身を除く): 139223517

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 204437, 613311, 1431059, 4293177, 12061783, 36185349, 84432481, 253297443]

約数ペア:

[(1, 253297443), (3, 84432481), (7, 36185349), (21, 12061783), (59, 4293177), (177, 1431059), (413, 613311), (1239, 204437)]