28668717

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1074

約数の個数: 48

約数和(自身を含む): 52940160

約数和(自身を除く): 24271443

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 693, 861, 1009, 1353, 2583, 3027, 3157, 4059, 7063, 9081, 9471, 11099, 21189, 28413, 33297, 41369, 63567, 77693, 99891, 124107, 233079, 289583, 372321, 455059, 699237, 868749, 1365177, 2606247, 3185413, 4095531, 9556239, 28668717]

約数ペア:

[(1, 28668717), (3, 9556239), (7, 4095531), (9, 3185413), (11, 2606247), (21, 1365177), (33, 868749), (41, 699237), (63, 455059), (77, 372321), (99, 289583), (123, 233079), (231, 124107), (287, 99891), (369, 77693), (451, 63567), (693, 41369), (861, 33297), (1009, 28413), (1353, 21189), (2583, 11099), (3027, 9471), (3157, 9081), (4059, 7063)]