18058005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 19197675

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 97, 105, 135, 189, 197, 291, 315, 485, 591, 679, 873, 945, 985, 1379, 1455, 1773, 2037, 2619, 2955, 3395, 4137, 4365, 5319, 6111, 6895, 8865, 10185, 12411, 13095, 18333, 19109, 20685, 26595, 30555, 37233, 57327, 62055, 91665, 95545, 133763, 171981, 186165, 286635, 401289, 515943, 668815, 859905, 1203867, 2006445, 2579715, 3611601, 6019335, 18058005]

約数ペア:

[(1, 18058005), (3, 6019335), (5, 3611601), (7, 2579715), (9, 2006445), (15, 1203867), (21, 859905), (27, 668815), (35, 515943), (45, 401289), (63, 286635), (97, 186165), (105, 171981), (135, 133763), (189, 95545), (197, 91665), (291, 62055), (315, 57327), (485, 37233), (591, 30555), (679, 26595), (873, 20685), (945, 19109), (985, 18333), (1379, 13095), (1455, 12411), (1773, 10185), (2037, 8865), (2619, 6895), (2955, 6111), (3395, 5319), (4137, 4365)]