28148475

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{4217}}^1$

素因数の和:4319

約数の個数: 24

約数和(自身を含む): 47072880

約数和(自身を除く): 18924405

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 4217, 6675, 12651, 21085, 63255, 105425, 316275, 375313, 1125939, 1876565, 5629695, 9382825, 28148475]

約数ペア:

[(1, 28148475), (3, 9382825), (5, 5629695), (15, 1876565), (25, 1125939), (75, 375313), (89, 316275), (267, 105425), (445, 63255), (1335, 21085), (2225, 12651), (4217, 6675)]