28630725

素因数分解:

$3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{1667}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 47571360

約数和(自身を除く): 18940635

約数列:

[1, 3, 5, 15, 25, 75, 229, 687, 1145, 1667, 3435, 5001, 5725, 8335, 17175, 25005, 41675, 125025, 381743, 1145229, 1908715, 5726145, 9543575, 28630725]

約数ペア:

[(1, 28630725), (3, 9543575), (5, 5726145), (15, 1908715), (25, 1145229), (75, 381743), (229, 125025), (687, 41675), (1145, 25005), (1667, 17175), (3435, 8335), (5001, 5725)]