206311329

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{172357}}^1$

素因数の和:172389

約数の個数: 24

約数和(自身を含む): 358504640

約数和(自身を除く): 152193311

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 172357, 517071, 1206499, 1551213, 3274783, 3619497, 9824349, 10858491, 22923481, 29473047, 68770443, 206311329]

約数ペア:

[(1, 206311329), (3, 68770443), (7, 29473047), (9, 22923481), (19, 10858491), (21, 9824349), (57, 3619497), (63, 3274783), (133, 1551213), (171, 1206499), (399, 517071), (1197, 172357)]