1265805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1257

約数の個数: 24

約数和(自身を含む): 2291328

約数和(自身を除く): 1025523

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1223, 3669, 6115, 11007, 18345, 28129, 55035, 84387, 140645, 253161, 421935, 1265805]

約数ペア:

[(1, 1265805), (3, 421935), (5, 253161), (9, 140645), (15, 84387), (23, 55035), (45, 28129), (69, 18345), (115, 11007), (207, 6115), (345, 3669), (1035, 1223)]