28072665

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9311}}^1$

素因数の和:9389

約数の個数: 24

約数和(自身を含む): 49390848

約数和(自身を除く): 21318183

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 9311, 27933, 46555, 83799, 139665, 418995, 623837, 1871511, 3119185, 5614533, 9357555, 28072665]

約数ペア:

[(1, 28072665), (3, 9357555), (5, 5614533), (9, 3119185), (15, 1871511), (45, 623837), (67, 418995), (201, 139665), (335, 83799), (603, 46555), (1005, 27933), (3015, 9311)]