257319388521

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{733103671}}^1$

素因数の和:733103693

約数の個数: 16

約数和(自身を含む): 410538056320

約数和(自身を除く): 153218667799

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 733103671, 2199311013, 6597933039, 9530347723, 19793799117, 28591043169, 85773129507, 257319388521]

約数ペア:

[(1, 257319388521), (3, 85773129507), (9, 28591043169), (13, 19793799117), (27, 9530347723), (39, 6597933039), (117, 2199311013), (351, 733103671)]