251017827417

素因数分解:

$3^3\times 7^1\times {\mathrm{1328136653}}^1$

素因数の和:1328136669

約数の個数: 16

約数和(自身を含む): 425003729280

約数和(自身を除く): 173985901863

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1328136653, 3984409959, 9296956571, 11953229877, 27890869713, 35859689631, 83672609139, 251017827417]

約数ペア:

[(1, 251017827417), (3, 83672609139), (7, 35859689631), (9, 27890869713), (21, 11953229877), (27, 9296956571), (63, 3984409959), (189, 1328136653)]