28478163

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{8423}}^1$

素因数の和:8463

約数の個数: 24

約数和(自身を含む): 46096128

約数和(自身を除く): 17617965

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 8423, 25269, 58961, 176883, 193729, 412727, 581187, 1238181, 1356103, 4068309, 9492721, 28478163]

約数ペア:

[(1, 28478163), (3, 9492721), (7, 4068309), (21, 1356103), (23, 1238181), (49, 581187), (69, 412727), (147, 193729), (161, 176883), (483, 58961), (1127, 25269), (3381, 8423)]