28281525

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13003}}^1$

素因数の和:13045

約数の個数: 24

約数和(自身を含む): 48374880

約数和(自身を除く): 20093355

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13003, 39009, 65015, 195045, 325075, 377087, 975225, 1131261, 1885435, 5656305, 9427175, 28281525]

約数ペア:

[(1, 28281525), (3, 9427175), (5, 5656305), (15, 1885435), (25, 1131261), (29, 975225), (75, 377087), (87, 325075), (145, 195045), (435, 65015), (725, 39009), (2175, 13003)]