15219855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2543}}^1$

素因数の和:2580

約数の個数: 48

約数和(自身を含む): 31749120

約数和(自身を除く): 16529265

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 2543, 5985, 7629, 12715, 17801, 22887, 38145, 48317, 53403, 89005, 114435, 144951, 160209, 241585, 267015, 338219, 434853, 724755, 801045, 1014657, 1691095, 2174265, 3043971, 5073285, 15219855]

約数ペア:

[(1, 15219855), (3, 5073285), (5, 3043971), (7, 2174265), (9, 1691095), (15, 1014657), (19, 801045), (21, 724755), (35, 434853), (45, 338219), (57, 267015), (63, 241585), (95, 160209), (105, 144951), (133, 114435), (171, 89005), (285, 53403), (315, 48317), (399, 38145), (665, 22887), (855, 17801), (1197, 12715), (1995, 7629), (2543, 5985)]