127712121

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1\times {\mathrm{683}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 172050624

約数和(自身を除く): 44338503

約数列:

[1, 3, 157, 397, 471, 683, 1191, 2049, 62329, 107231, 186987, 271151, 321693, 813453, 42570707, 127712121]

約数ペア:

[(1, 127712121), (3, 42570707), (157, 813453), (397, 321693), (471, 271151), (683, 186987), (1191, 107231), (2049, 62329)]