28103565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14087}}^1$

素因数の和:14121

約数の個数: 32

約数和(自身を含む): 54097920

約数和(自身を除く): 25994355

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 14087, 42261, 70435, 98609, 211305, 267653, 295827, 493045, 802959, 1338265, 1479135, 1873571, 4014795, 5620713, 9367855, 28103565]

約数ペア:

[(1, 28103565), (3, 9367855), (5, 5620713), (7, 4014795), (15, 1873571), (19, 1479135), (21, 1338265), (35, 802959), (57, 493045), (95, 295827), (105, 267653), (133, 211305), (285, 98609), (399, 70435), (665, 42261), (1995, 14087)]