138446805

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 262656000

約数和(自身を除く): 124209195

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 343, 355, 379, 497, 735, 1029, 1065, 1137, 1491, 1715, 1895, 2485, 2653, 3479, 5145, 5685, 7455, 7959, 10437, 13265, 17395, 18571, 24353, 26909, 39795, 52185, 55713, 73059, 80727, 92855, 121765, 129997, 134545, 188363, 278565, 365295, 389991, 403635, 565089, 649985, 941815, 1318541, 1949955, 2825445, 3955623, 6592705, 9229787, 19778115, 27689361, 46148935, 138446805]

約数ペア:

[(1, 138446805), (3, 46148935), (5, 27689361), (7, 19778115), (15, 9229787), (21, 6592705), (35, 3955623), (49, 2825445), (71, 1949955), (105, 1318541), (147, 941815), (213, 649985), (245, 565089), (343, 403635), (355, 389991), (379, 365295), (497, 278565), (735, 188363), (1029, 134545), (1065, 129997), (1137, 121765), (1491, 92855), (1715, 80727), (1895, 73059), (2485, 55713), (2653, 52185), (3479, 39795), (5145, 26909), (5685, 24353), (7455, 18571), (7959, 17395), (10437, 13265)]