15277985

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 19856760

約数和(自身を除く): 4578775

約数列:

[1, 5, 17, 85, 97, 109, 289, 485, 545, 1445, 1649, 1853, 8245, 9265, 10573, 28033, 31501, 52865, 140165, 157505, 179741, 898705, 3055597, 15277985]

約数ペア:

[(1, 15277985), (5, 3055597), (17, 898705), (85, 179741), (97, 157505), (109, 140165), (289, 52865), (485, 31501), (545, 28033), (1445, 10573), (1649, 9265), (1853, 8245)]