28285515

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27329}}^1$

素因数の和:27363

約数の個数: 24

約数和(自身を含む): 51161760

約数和(自身を除く): 22876245

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27329, 81987, 136645, 245961, 409935, 628567, 1229805, 1885701, 3142835, 5657103, 9428505, 28285515]

約数ペア:

[(1, 28285515), (3, 9428505), (5, 5657103), (9, 3142835), (15, 1885701), (23, 1229805), (45, 628567), (69, 409935), (115, 245961), (207, 136645), (345, 81987), (1035, 27329)]