1057131

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 20

約数和(自身を含む): 1633984

約数和(自身を除く): 576853

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 421, 837, 1263, 2511, 3789, 11367, 13051, 34101, 39153, 117459, 352377, 1057131]

約数ペア:

[(1, 1057131), (3, 352377), (9, 117459), (27, 39153), (31, 34101), (81, 13051), (93, 11367), (279, 3789), (421, 2511), (837, 1263)]