255372057

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{2141}}^1$

素因数の和:2633

約数の個数: 24

約数和(自身を含む): 382604040

約数和(自身を除く): 127231983

約数列:

[1, 3, 9, 29, 87, 261, 457, 1371, 2141, 4113, 6423, 13253, 19269, 39759, 62089, 119277, 186267, 558801, 978437, 2935311, 8805933, 28374673, 85124019, 255372057]

約数ペア:

[(1, 255372057), (3, 85124019), (9, 28374673), (29, 8805933), (87, 2935311), (261, 978437), (457, 558801), (1371, 186267), (2141, 119277), (4113, 62089), (6423, 39759), (13253, 19269)]