15171225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 27087552

約数和(自身を除く): 11916327

約数列:

[1, 3, 5, 15, 17, 25, 51, 73, 75, 85, 163, 219, 255, 365, 425, 489, 815, 1095, 1241, 1275, 1825, 2445, 2771, 3723, 4075, 5475, 6205, 8313, 11899, 12225, 13855, 18615, 31025, 35697, 41565, 59495, 69275, 93075, 178485, 202283, 207825, 297475, 606849, 892425, 1011415, 3034245, 5057075, 15171225]

約数ペア:

[(1, 15171225), (3, 5057075), (5, 3034245), (15, 1011415), (17, 892425), (25, 606849), (51, 297475), (73, 207825), (75, 202283), (85, 178485), (163, 93075), (219, 69275), (255, 59495), (365, 41565), (425, 35697), (489, 31025), (815, 18615), (1095, 13855), (1241, 12225), (1275, 11899), (1825, 8313), (2445, 6205), (2771, 5475), (3723, 4075)]