28556925

素因数分解:

$3^1\times 5^2\times {\mathrm{349}}^1\times {\mathrm{1091}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 47392800

約数和(自身を除く): 18835875

約数列:

[1, 3, 5, 15, 25, 75, 349, 1047, 1091, 1745, 3273, 5235, 5455, 8725, 16365, 26175, 27275, 81825, 380759, 1142277, 1903795, 5711385, 9518975, 28556925]

約数ペア:

[(1, 28556925), (3, 9518975), (5, 5711385), (15, 1903795), (25, 1142277), (75, 380759), (349, 81825), (1047, 27275), (1091, 26175), (1745, 16365), (3273, 8725), (5235, 5455)]