15766725

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 28525952

約数和(自身を除く): 12759227

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 103, 157, 195, 309, 325, 471, 515, 785, 975, 1339, 1545, 2041, 2355, 2575, 3925, 4017, 6123, 6695, 7725, 10205, 11775, 16171, 20085, 30615, 33475, 48513, 51025, 80855, 100425, 153075, 210223, 242565, 404275, 630669, 1051115, 1212825, 3153345, 5255575, 15766725]

約数ペア:

[(1, 15766725), (3, 5255575), (5, 3153345), (13, 1212825), (15, 1051115), (25, 630669), (39, 404275), (65, 242565), (75, 210223), (103, 153075), (157, 100425), (195, 80855), (309, 51025), (325, 48513), (471, 33475), (515, 30615), (785, 20085), (975, 16171), (1339, 11775), (1545, 10205), (2041, 7725), (2355, 6695), (2575, 6123), (3925, 4017)]