81611933

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{647}}^1$

素因数の和:1004

約数の個数: 16

約数和(自身を含む): 91155456

約数和(自身を除く): 9543523

約数列:

[1, 13, 31, 313, 403, 647, 4069, 8411, 9703, 20057, 126139, 202511, 260741, 2632643, 6277841, 81611933]

約数ペア:

[(1, 81611933), (13, 6277841), (31, 2632643), (313, 260741), (403, 202511), (647, 126139), (4069, 20057), (8411, 9703)]