18251505

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^2\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 32458140

約数和(自身を除く): 14206635

約数列:

[1, 3, 5, 9, 15, 45, 61, 109, 183, 305, 327, 545, 549, 915, 981, 1635, 2745, 3721, 4905, 6649, 11163, 18605, 19947, 33245, 33489, 55815, 59841, 99735, 167445, 299205, 405589, 1216767, 2027945, 3650301, 6083835, 18251505]

約数ペア:

[(1, 18251505), (3, 6083835), (5, 3650301), (9, 2027945), (15, 1216767), (45, 405589), (61, 299205), (109, 167445), (183, 99735), (305, 59841), (327, 55815), (545, 33489), (549, 33245), (915, 19947), (981, 18605), (1635, 11163), (2745, 6649), (3721, 4905)]