16917705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 34320000

約数和(自身を除く): 17402295

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1249, 1505, 1935, 2709, 3747, 4515, 6245, 8743, 11241, 13545, 18735, 26229, 43715, 53707, 56205, 78687, 131145, 161121, 268535, 375949, 393435, 483363, 805605, 1127847, 1879745, 2416815, 3383541, 5639235, 16917705]

約数ペア:

[(1, 16917705), (3, 5639235), (5, 3383541), (7, 2416815), (9, 1879745), (15, 1127847), (21, 805605), (35, 483363), (43, 393435), (45, 375949), (63, 268535), (105, 161121), (129, 131145), (215, 78687), (301, 56205), (315, 53707), (387, 43715), (645, 26229), (903, 18735), (1249, 13545), (1505, 11241), (1935, 8743), (2709, 6245), (3747, 4515)]