72251921

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{12391}}^1$

素因数の和:12429

約数の個数: 16

約数和(自身を含む): 89222400

約数和(自身を除く): 16970479

約数列:

[1, 7, 17, 49, 119, 343, 833, 5831, 12391, 86737, 210647, 607159, 1474529, 4250113, 10321703, 72251921]

約数ペア:

[(1, 72251921), (7, 10321703), (17, 4250113), (49, 1474529), (119, 607159), (343, 210647), (833, 86737), (5831, 12391)]