203437257

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 285981696

約数和(自身を除く): 82544439

約数列:

[1, 3, 43, 61, 103, 129, 183, 251, 309, 753, 2623, 4429, 6283, 7869, 10793, 13287, 15311, 18849, 25853, 32379, 45933, 77559, 270169, 658373, 810507, 1111679, 1577033, 1975119, 3335037, 4731099, 67812419, 203437257]

約数ペア:

[(1, 203437257), (3, 67812419), (43, 4731099), (61, 3335037), (103, 1975119), (129, 1577033), (183, 1111679), (251, 810507), (309, 658373), (753, 270169), (2623, 77559), (4429, 45933), (6283, 32379), (7869, 25853), (10793, 18849), (13287, 15311)]