254223879

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{9041}}^1$

素因数の和:9167

約数の個数: 32

約数和(自身を含む): 421284864

約数和(自身を除く): 167060985

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 2163, 4017, 9041, 9373, 27123, 28119, 63287, 117533, 189861, 352599, 822731, 931223, 2468193, 2793669, 6518561, 12105899, 19555683, 36317697, 84741293, 254223879]

約数ペア:

[(1, 254223879), (3, 84741293), (7, 36317697), (13, 19555683), (21, 12105899), (39, 6518561), (91, 2793669), (103, 2468193), (273, 931223), (309, 822731), (721, 352599), (1339, 189861), (2163, 117533), (4017, 63287), (9041, 28119), (9373, 27123)]