251765775

素因数分解:

$3^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{4129}}^1$

素因数の和:4416

約数の個数: 36

約数和(自身を含む): 452714080

約数和(自身を除く): 200948305

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 271, 813, 1355, 2439, 4065, 4129, 6775, 12195, 12387, 20325, 20645, 37161, 60975, 61935, 103225, 185805, 309675, 929025, 1118959, 3356877, 5594795, 10070631, 16784385, 27973975, 50353155, 83921925, 251765775]

約数ペア:

[(1, 251765775), (3, 83921925), (5, 50353155), (9, 27973975), (15, 16784385), (25, 10070631), (45, 5594795), (75, 3356877), (225, 1118959), (271, 929025), (813, 309675), (1355, 185805), (2439, 103225), (4065, 61935), (4129, 60975), (6775, 37161), (12195, 20645), (12387, 20325)]