28677441

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 43792000

約数和(自身を除く): 15114559

約数列:

[1, 3, 13, 19, 39, 57, 169, 229, 247, 507, 687, 741, 2197, 2977, 3211, 4351, 6591, 8931, 9633, 13053, 38701, 41743, 56563, 116103, 125229, 169689, 503113, 735319, 1509339, 2205957, 9559147, 28677441]

約数ペア:

[(1, 28677441), (3, 9559147), (13, 2205957), (19, 1509339), (39, 735319), (57, 503113), (169, 169689), (229, 125229), (247, 116103), (507, 56563), (687, 41743), (741, 38701), (2197, 13053), (2977, 9633), (3211, 8931), (4351, 6591)]