28875465

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1213}}^1$

素因数の和:1270

約数の個数: 36

約数和(自身を含む): 52364676

約数和(自身を除く): 23489211

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 529, 1035, 1213, 1587, 2645, 3639, 4761, 6065, 7935, 10917, 18195, 23805, 27899, 54585, 83697, 139495, 251091, 418485, 641677, 1255455, 1925031, 3208385, 5775093, 9625155, 28875465]

約数ペア:

[(1, 28875465), (3, 9625155), (5, 5775093), (9, 3208385), (15, 1925031), (23, 1255455), (45, 641677), (69, 418485), (115, 251091), (207, 139495), (345, 83697), (529, 54585), (1035, 27899), (1213, 23805), (1587, 18195), (2645, 10917), (3639, 7935), (4761, 6065)]