28878507

素因数分解:

$3^2\times 7^1\times {\mathrm{593}}^1\times {\mathrm{773}}^1$

素因数の和:1379

約数の個数: 24

約数和(自身を含む): 47814624

約数和(自身を除く): 18936117

約数列:

[1, 3, 7, 9, 21, 63, 593, 773, 1779, 2319, 4151, 5337, 5411, 6957, 12453, 16233, 37359, 48699, 458389, 1375167, 3208723, 4125501, 9626169, 28878507]

約数ペア:

[(1, 28878507), (3, 9626169), (7, 4125501), (9, 3208723), (21, 1375167), (63, 458389), (593, 48699), (773, 37359), (1779, 16233), (2319, 12453), (4151, 6957), (5337, 5411)]