28545525

素因数分解:

$3^2\times 5^2\times {\mathrm{293}}^1\times {\mathrm{433}}^1$

素因数の和:742

約数の個数: 36

約数和(自身を含む): 51421188

約数和(自身を除く): 22875663

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 293, 433, 879, 1299, 1465, 2165, 2637, 3897, 4395, 6495, 7325, 10825, 13185, 19485, 21975, 32475, 65925, 97425, 126869, 380607, 634345, 1141821, 1903035, 3171725, 5709105, 9515175, 28545525]

約数ペア:

[(1, 28545525), (3, 9515175), (5, 5709105), (9, 3171725), (15, 1903035), (25, 1141821), (45, 634345), (75, 380607), (225, 126869), (293, 97425), (433, 65925), (879, 32475), (1299, 21975), (1465, 19485), (2165, 13185), (2637, 10825), (3897, 7325), (4395, 6495)]