28264575

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1913}}^1$

素因数の和:2123

約数の個数: 24

約数和(自身を含む): 46992528

約数和(自身を除く): 18727953

約数列:

[1, 3, 5, 15, 25, 75, 197, 591, 985, 1913, 2955, 4925, 5739, 9565, 14775, 28695, 47825, 143475, 376861, 1130583, 1884305, 5652915, 9421525, 28264575]

約数ペア:

[(1, 28264575), (3, 9421525), (5, 5652915), (15, 1884305), (25, 1130583), (75, 376861), (197, 143475), (591, 47825), (985, 28695), (1913, 14775), (2955, 9565), (4925, 5739)]