266755839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1\times {\mathrm{1489}}^1$

素因数の和:1967

約数の個数: 32

約数和(自身を含む): 429120000

約数和(自身を除く): 162364161

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 449, 1347, 1489, 3143, 4467, 8531, 9429, 10423, 25593, 28291, 31269, 59717, 84873, 179151, 198037, 594111, 668561, 2005683, 4679927, 12702659, 14039781, 38107977, 88918613, 266755839]

約数ペア:

[(1, 266755839), (3, 88918613), (7, 38107977), (19, 14039781), (21, 12702659), (57, 4679927), (133, 2005683), (399, 668561), (449, 594111), (1347, 198037), (1489, 179151), (3143, 84873), (4467, 59717), (8531, 31269), (9429, 28291), (10423, 25593)]