28418481

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4957}}^1$

素因数の和:4990

約数の個数: 36

約数和(自身を含む): 51434292

約数和(自身を除く): 23015811

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 4957, 5733, 14871, 34699, 44613, 64441, 104097, 193323, 242893, 312291, 451087, 579969, 728679, 1353261, 2186037, 3157609, 4059783, 9472827, 28418481]

約数ペア:

[(1, 28418481), (3, 9472827), (7, 4059783), (9, 3157609), (13, 2186037), (21, 1353261), (39, 728679), (49, 579969), (63, 451087), (91, 312291), (117, 242893), (147, 193323), (273, 104097), (441, 64441), (637, 44613), (819, 34699), (1911, 14871), (4957, 5733)]