130561921

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{22391}}^1$

素因数の和:22429

約数の個数: 16

約数和(自身を含む): 161222400

約数和(自身を除く): 30660479

約数列:

[1, 7, 17, 49, 119, 343, 833, 5831, 22391, 156737, 380647, 1097159, 2664529, 7680113, 18651703, 130561921]

約数ペア:

[(1, 130561921), (7, 18651703), (17, 7680113), (49, 2664529), (119, 1097159), (343, 380647), (833, 156737), (5831, 22391)]