28308357

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40849}}^1$

素因数の和:40873

約数の個数: 24

約数和(自身を含む): 50980800

約数和(自身を除く): 22672443

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40849, 122547, 285943, 367641, 449339, 857829, 1348017, 2573487, 3145373, 4044051, 9436119, 28308357]

約数ペア:

[(1, 28308357), (3, 9436119), (7, 4044051), (9, 3145373), (11, 2573487), (21, 1348017), (33, 857829), (63, 449339), (77, 367641), (99, 285943), (231, 122547), (693, 40849)]