39920019

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 57867264

約数和(自身を除く): 17947245

約数列:

[1, 3, 23, 41, 69, 103, 123, 137, 309, 411, 943, 2369, 2829, 3151, 4223, 5617, 7107, 9453, 12669, 14111, 16851, 42333, 97129, 129191, 291387, 324553, 387573, 578551, 973659, 1735653, 13306673, 39920019]

約数ペア:

[(1, 39920019), (3, 13306673), (23, 1735653), (41, 973659), (69, 578551), (103, 387573), (123, 324553), (137, 291387), (309, 129191), (411, 97129), (943, 42333), (2369, 16851), (2829, 14111), (3151, 12669), (4223, 9453), (5617, 7107)]