18261315

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 35164800

約数和(自身を除く): 16903485

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 73, 85, 109, 135, 153, 219, 255, 327, 365, 459, 545, 657, 765, 981, 1095, 1241, 1635, 1853, 1971, 2295, 2943, 3285, 3723, 4905, 5559, 6205, 7957, 9265, 9855, 11169, 14715, 16677, 18615, 23871, 27795, 33507, 39785, 50031, 55845, 71613, 83385, 119355, 135269, 167535, 214839, 250155, 358065, 405807, 676345, 1074195, 1217421, 2029035, 3652263, 6087105, 18261315]

約数ペア:

[(1, 18261315), (3, 6087105), (5, 3652263), (9, 2029035), (15, 1217421), (17, 1074195), (27, 676345), (45, 405807), (51, 358065), (73, 250155), (85, 214839), (109, 167535), (135, 135269), (153, 119355), (219, 83385), (255, 71613), (327, 55845), (365, 50031), (459, 39785), (545, 33507), (657, 27795), (765, 23871), (981, 18615), (1095, 16677), (1241, 14715), (1635, 11169), (1853, 9855), (1971, 9265), (2295, 7957), (2943, 6205), (3285, 5559), (3723, 4905)]