28182231

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3697}}^1$

素因数の和:3732

約数の個数: 36

約数和(自身を含む): 51150736

約数和(自身を除く): 22968505

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 3697, 7623, 11091, 25879, 33273, 40667, 77637, 122001, 232911, 284669, 366003, 447337, 854007, 1342011, 2562021, 3131359, 4026033, 9394077, 28182231]

約数ペア:

[(1, 28182231), (3, 9394077), (7, 4026033), (9, 3131359), (11, 2562021), (21, 1342011), (33, 854007), (63, 447337), (77, 366003), (99, 284669), (121, 232911), (231, 122001), (363, 77637), (693, 40667), (847, 33273), (1089, 25879), (2541, 11091), (3697, 7623)]