28480425

素因数分解:

$3^1\times 5^2\times {\mathrm{499}}^1\times {\mathrm{761}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 47244000

約数和(自身を除く): 18763575

約数列:

[1, 3, 5, 15, 25, 75, 499, 761, 1497, 2283, 2495, 3805, 7485, 11415, 12475, 19025, 37425, 57075, 379739, 1139217, 1898695, 5696085, 9493475, 28480425]

約数ペア:

[(1, 28480425), (3, 9493475), (5, 5696085), (15, 1898695), (25, 1139217), (75, 379739), (499, 57075), (761, 37425), (1497, 19025), (2283, 12475), (2495, 11415), (3805, 7485)]