28124505

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4139}}^1$

素因数の和:4301

約数の個数: 24

約数和(自身を含む): 49083840

約数和(自身を除く): 20959335

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 4139, 6795, 12417, 20695, 37251, 62085, 186255, 624989, 1874967, 3124945, 5624901, 9374835, 28124505]

約数ペア:

[(1, 28124505), (3, 9374835), (5, 5624901), (9, 3124945), (15, 1874967), (45, 624989), (151, 186255), (453, 62085), (755, 37251), (1359, 20695), (2265, 12417), (4139, 6795)]