207918417

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{26687}}^1$

素因数の和:26757

約数の個数: 24

約数和(自身を含む): 328582656

約数和(自身を除く): 120664239

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 26687, 80061, 186809, 560427, 1307663, 1414411, 3922989, 4243233, 9900877, 29702631, 69306139, 207918417]

約数ペア:

[(1, 207918417), (3, 69306139), (7, 29702631), (21, 9900877), (49, 4243233), (53, 3922989), (147, 1414411), (159, 1307663), (371, 560427), (1113, 186809), (2597, 80061), (7791, 26687)]