28727505

素因数分解:

$3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1367}}^1$

素因数の和:1845

約数の個数: 24

約数和(自身を含む): 49937472

約数和(自身を除く): 21209967

約数列:

[1, 3, 5, 9, 15, 45, 467, 1367, 1401, 2335, 4101, 4203, 6835, 7005, 12303, 20505, 21015, 61515, 638389, 1915167, 3191945, 5745501, 9575835, 28727505]

約数ペア:

[(1, 28727505), (3, 9575835), (5, 5745501), (9, 3191945), (15, 1915167), (45, 638389), (467, 61515), (1367, 21015), (1401, 20505), (2335, 12303), (4101, 7005), (4203, 6835)]