165717993

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{7963}}^1$

素因数の和:8964

約数の個数: 16

約数和(自身を含む): 252809216

約数和(自身を除く): 87091223

約数列:

[1, 3, 7, 21, 991, 2973, 6937, 7963, 20811, 23889, 55741, 167223, 7891333, 23673999, 55239331, 165717993]

約数ペア:

[(1, 165717993), (3, 55239331), (7, 23673999), (21, 7891333), (991, 167223), (2973, 55741), (6937, 23889), (7963, 20811)]