290914245

素因数分解:

$3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{19531}}^1$

素因数の和:19873

約数の個数: 24

約数和(自身を含む): 505800672

約数和(自身を除く): 214886427

約数列:

[1, 3, 5, 9, 15, 45, 331, 993, 1655, 2979, 4965, 14895, 19531, 58593, 97655, 175779, 292965, 878895, 6464761, 19394283, 32323805, 58182849, 96971415, 290914245]

約数ペア:

[(1, 290914245), (3, 96971415), (5, 58182849), (9, 32323805), (15, 19394283), (45, 6464761), (331, 878895), (993, 292965), (1655, 175779), (2979, 97655), (4965, 58593), (14895, 19531)]