28275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:55

約数の個数: 24

約数和(自身を含む): 52080

約数和(自身を除く): 23805

約数列:

[1, 3, 5, 13, 15, 25, 29, 39, 65, 75, 87, 145, 195, 325, 377, 435, 725, 975, 1131, 1885, 2175, 5655, 9425, 28275]

約数ペア:

[(1, 28275), (3, 9425), (5, 5655), (13, 2175), (15, 1885), (25, 1131), (29, 975), (39, 725), (65, 435), (75, 377), (87, 325), (145, 195)]