2080983009

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 3274269696

約数和(自身を除く): 1193286687

約数列:

[1, 3, 7, 21, 49, 137, 147, 191, 411, 541, 573, 959, 1337, 1623, 2877, 3787, 4011, 6713, 9359, 11361, 20139, 26167, 26509, 28077, 74117, 78501, 79527, 103331, 183169, 222351, 309993, 518819, 549507, 723317, 1282183, 1556457, 2169951, 3631733, 3846549, 5063219, 10895199, 14156347, 15189657, 42469041, 99094429, 297283287, 693661003, 2080983009]

約数ペア:

[(1, 2080983009), (3, 693661003), (7, 297283287), (21, 99094429), (49, 42469041), (137, 15189657), (147, 14156347), (191, 10895199), (411, 5063219), (541, 3846549), (573, 3631733), (959, 2169951), (1337, 1556457), (1623, 1282183), (2877, 723317), (3787, 549507), (4011, 518819), (6713, 309993), (9359, 222351), (11361, 183169), (20139, 103331), (26167, 79527), (26509, 78501), (28077, 74117)]