155256213

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{19507}}^1$

素因数の和:19896

約数の個数: 16

約数和(自身を含む): 237217280

約数和(自身を除く): 81961067

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 19507, 58521, 136549, 409647, 7393153, 22179459, 51752071, 155256213]

約数ペア:

[(1, 155256213), (3, 51752071), (7, 22179459), (21, 7393153), (379, 409647), (1137, 136549), (2653, 58521), (7959, 19507)]