18027555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 36384768

約数和(自身を除く): 18357213

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 47, 65, 91, 105, 141, 195, 235, 273, 281, 329, 455, 611, 705, 843, 987, 1365, 1405, 1645, 1833, 1967, 3055, 3653, 4215, 4277, 4935, 5901, 9165, 9835, 10959, 12831, 13207, 18265, 21385, 25571, 29505, 39621, 54795, 64155, 66035, 76713, 92449, 127855, 171691, 198105, 277347, 383565, 462245, 515073, 858455, 1201837, 1386735, 2575365, 3605511, 6009185, 18027555]

約数ペア:

[(1, 18027555), (3, 6009185), (5, 3605511), (7, 2575365), (13, 1386735), (15, 1201837), (21, 858455), (35, 515073), (39, 462245), (47, 383565), (65, 277347), (91, 198105), (105, 171691), (141, 127855), (195, 92449), (235, 76713), (273, 66035), (281, 64155), (329, 54795), (455, 39621), (611, 29505), (705, 25571), (843, 21385), (987, 18265), (1365, 13207), (1405, 12831), (1645, 10959), (1833, 9835), (1967, 9165), (3055, 5901), (3653, 4935), (4215, 4277)]