777225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 1320352

約数和(自身を除く): 543127

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 241, 645, 723, 1075, 1205, 3225, 3615, 6025, 10363, 18075, 31089, 51815, 155445, 259075, 777225]

約数ペア:

[(1, 777225), (3, 259075), (5, 155445), (15, 51815), (25, 31089), (43, 18075), (75, 10363), (129, 6025), (215, 3615), (241, 3225), (645, 1205), (723, 1075)]