12381831

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 23632128

約数和(自身を除く): 11250297

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1051, 1071, 1309, 1683, 3153, 3927, 7357, 9459, 11561, 11781, 17867, 22071, 34683, 53601, 66213, 80927, 104049, 125069, 160803, 196537, 242781, 375207, 589611, 728343, 1125621, 1375759, 1768833, 4127277, 12381831]

約数ペア:

[(1, 12381831), (3, 4127277), (7, 1768833), (9, 1375759), (11, 1125621), (17, 728343), (21, 589611), (33, 375207), (51, 242781), (63, 196537), (77, 160803), (99, 125069), (119, 104049), (153, 80927), (187, 66213), (231, 53601), (357, 34683), (561, 22071), (693, 17867), (1051, 11781), (1071, 11561), (1309, 9459), (1683, 7357), (3153, 3927)]