1268253

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 2149056

約数和(自身を除く): 880803

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 491, 861, 1473, 2583, 3437, 4419, 10311, 20131, 30933, 60393, 140917, 181179, 422751, 1268253]

約数ペア:

[(1, 1268253), (3, 422751), (7, 181179), (9, 140917), (21, 60393), (41, 30933), (63, 20131), (123, 10311), (287, 4419), (369, 3437), (491, 2583), (861, 1473)]