28865529

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1811}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 54273024

約数和(自身を除く): 25407495

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1449, 1771, 1811, 2277, 5313, 5433, 12677, 15939, 16299, 19921, 38031, 41653, 59763, 114093, 124959, 139447, 179289, 291571, 374877, 418341, 458183, 874713, 1255023, 1374549, 2624139, 3207281, 4123647, 9621843, 28865529]

約数ペア:

[(1, 28865529), (3, 9621843), (7, 4123647), (9, 3207281), (11, 2624139), (21, 1374549), (23, 1255023), (33, 874713), (63, 458183), (69, 418341), (77, 374877), (99, 291571), (161, 179289), (207, 139447), (231, 124959), (253, 114093), (483, 59763), (693, 41653), (759, 38031), (1449, 19921), (1771, 16299), (1811, 15939), (2277, 12677), (5313, 5433)]