28955961

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 45128160

約数和(自身を除く): 16172199

約数列:

[1, 3, 9, 27, 59, 73, 81, 83, 177, 219, 249, 531, 657, 747, 1593, 1971, 2241, 4307, 4779, 4897, 5913, 6059, 6723, 12921, 14691, 18177, 38763, 44073, 54531, 116289, 132219, 163593, 348867, 357481, 396657, 490779, 1072443, 3217329, 9651987, 28955961]

約数ペア:

[(1, 28955961), (3, 9651987), (9, 3217329), (27, 1072443), (59, 490779), (73, 396657), (81, 357481), (83, 348867), (177, 163593), (219, 132219), (249, 116289), (531, 54531), (657, 44073), (747, 38763), (1593, 18177), (1971, 14691), (2241, 12921), (4307, 6723), (4779, 6059), (4897, 5913)]