2007520011

素因数分解:

$3^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{16417}}^1$

素因数の和:17080

約数の個数: 32

約数和(自身を含む): 3404436480

約数和(自身を除く): 1396916469

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 647, 1941, 4529, 5823, 13587, 16417, 17469, 40761, 49251, 114919, 122283, 147753, 344757, 443259, 1034271, 3102813, 10621799, 31865397, 74352593, 95596191, 223057779, 286788573, 669173337, 2007520011]

約数ペア:

[(1, 2007520011), (3, 669173337), (7, 286788573), (9, 223057779), (21, 95596191), (27, 74352593), (63, 31865397), (189, 10621799), (647, 3102813), (1941, 1034271), (4529, 443259), (5823, 344757), (13587, 147753), (16417, 122283), (17469, 114919), (40761, 49251)]