1999672005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 3578515200

約数和(自身を除く): 1578843195

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 389, 969, 1061, 1167, 1615, 1945, 3183, 4845, 5305, 5835, 6613, 7391, 15915, 18037, 19839, 20159, 22173, 33065, 36955, 54111, 60477, 90185, 99195, 100795, 110865, 125647, 270555, 302385, 342703, 376941, 412729, 628235, 1028109, 1238187, 1713515, 1884705, 2063645, 5140545, 6190935, 7016393, 7841851, 21049179, 23525553, 35081965, 39209255, 105245895, 117627765, 133311467, 399934401, 666557335, 1999672005]

約数ペア:

[(1, 1999672005), (3, 666557335), (5, 399934401), (15, 133311467), (17, 117627765), (19, 105245895), (51, 39209255), (57, 35081965), (85, 23525553), (95, 21049179), (255, 7841851), (285, 7016393), (323, 6190935), (389, 5140545), (969, 2063645), (1061, 1884705), (1167, 1713515), (1615, 1238187), (1945, 1028109), (3183, 628235), (4845, 412729), (5305, 376941), (5835, 342703), (6613, 302385), (7391, 270555), (15915, 125647), (18037, 110865), (19839, 100795), (20159, 99195), (22173, 90185), (33065, 60477), (36955, 54111)]