81294369

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3539}}^1$

素因数の和:3605

約数の個数: 32

約数和(自身を含む): 126873600

約数和(自身を除く): 45579231

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1767, 3539, 7657, 10617, 22971, 46007, 67241, 109709, 138021, 201723, 329127, 874133, 1426217, 2084471, 2622399, 4278651, 6253413, 27098123, 81294369]

約数ペア:

[(1, 81294369), (3, 27098123), (13, 6253413), (19, 4278651), (31, 2622399), (39, 2084471), (57, 1426217), (93, 874133), (247, 329127), (403, 201723), (589, 138021), (741, 109709), (1209, 67241), (1767, 46007), (3539, 22971), (7657, 10617)]