28641333

素因数分解:

$3^1\times 7^2\times {\mathrm{194839}}^1$

素因数の和:194856

約数の個数: 12

約数和(自身を含む): 44423520

約数和(自身を除く): 15782187

約数列:

[1, 3, 7, 21, 49, 147, 194839, 584517, 1363873, 4091619, 9547111, 28641333]

約数ペア:

[(1, 28641333), (3, 9547111), (7, 4091619), (21, 1363873), (49, 584517), (147, 194839)]