280982013

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{6427}}^1$

素因数の和:6521

約数の個数: 32

約数和(自身を含む): 431961600

約数和(自身を除く): 150979587

約数列:

[1, 3, 13, 19, 39, 57, 59, 177, 247, 741, 767, 1121, 2301, 3363, 6427, 14573, 19281, 43719, 83551, 122113, 250653, 366339, 379193, 1137579, 1587469, 4762407, 4929509, 7204667, 14788527, 21614001, 93660671, 280982013]

約数ペア:

[(1, 280982013), (3, 93660671), (13, 21614001), (19, 14788527), (39, 7204667), (57, 4929509), (59, 4762407), (177, 1587469), (247, 1137579), (741, 379193), (767, 366339), (1121, 250653), (2301, 122113), (3363, 83551), (6427, 43719), (14573, 19281)]