1228545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1221

約数の個数: 24

約数和(自身を含む): 2223936

約数和(自身を除く): 995391

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1187, 3561, 5935, 10683, 17805, 27301, 53415, 81903, 136505, 245709, 409515, 1228545]

約数ペア:

[(1, 1228545), (3, 409515), (5, 245709), (9, 136505), (15, 81903), (23, 53415), (45, 27301), (69, 17805), (115, 10683), (207, 5935), (345, 3561), (1035, 1187)]