28430175

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 50353920

約数和(自身を除く): 21923745

約数列:

[1, 3, 5, 15, 19, 25, 57, 71, 75, 95, 213, 281, 285, 355, 475, 843, 1065, 1349, 1405, 1425, 1775, 4047, 4215, 5325, 5339, 6745, 7025, 16017, 19951, 20235, 21075, 26695, 33725, 59853, 80085, 99755, 101175, 133475, 299265, 379069, 400425, 498775, 1137207, 1496325, 1895345, 5686035, 9476725, 28430175]

約数ペア:

[(1, 28430175), (3, 9476725), (5, 5686035), (15, 1895345), (19, 1496325), (25, 1137207), (57, 498775), (71, 400425), (75, 379069), (95, 299265), (213, 133475), (281, 101175), (285, 99755), (355, 80085), (475, 59853), (843, 33725), (1065, 26695), (1349, 21075), (1405, 20235), (1425, 19951), (1775, 16017), (4047, 7025), (4215, 6745), (5325, 5339)]