28204407

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40699}}^1$

素因数の和:40723

約数の個数: 24

約数和(自身を含む): 50793600

約数和(自身を除く): 22589193

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40699, 122097, 284893, 366291, 447689, 854679, 1343067, 2564037, 3133823, 4029201, 9401469, 28204407]

約数ペア:

[(1, 28204407), (3, 9401469), (7, 4029201), (9, 3133823), (11, 2564037), (21, 1343067), (33, 854679), (63, 447689), (77, 366291), (99, 284893), (231, 122097), (693, 40699)]