137617921

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 164670720

約数和(自身を除く): 27052799

約数列:

[1, 7, 49, 73, 79, 487, 511, 553, 3409, 3577, 3871, 5767, 23863, 35551, 38473, 40369, 248857, 269311, 282583, 1741999, 1885177, 2808529, 19659703, 137617921]

約数ペア:

[(1, 137617921), (7, 19659703), (49, 2808529), (73, 1885177), (79, 1741999), (487, 282583), (511, 269311), (553, 248857), (3409, 40369), (3577, 38473), (3871, 35551), (5767, 23863)]