259747257

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{48889}}^1$

素因数の和:48933

約数の個数: 32

約数和(自身を含む): 450570240

約数和(自身を除く): 190822983

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 48889, 146667, 342223, 537779, 1026669, 1124447, 1613337, 3373341, 3764453, 7871129, 11293359, 12368917, 23613387, 37106751, 86582419, 259747257]

約数ペア:

[(1, 259747257), (3, 86582419), (7, 37106751), (11, 23613387), (21, 12368917), (23, 11293359), (33, 7871129), (69, 3764453), (77, 3373341), (161, 1613337), (231, 1124447), (253, 1026669), (483, 537779), (759, 342223), (1771, 146667), (5313, 48889)]