18009045

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 32864832

約数和(自身を除く): 14855787

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 205, 215, 227, 369, 387, 615, 645, 681, 1135, 1763, 1845, 1935, 2043, 3405, 5289, 8815, 9307, 9761, 10215, 15867, 26445, 27921, 29283, 46535, 48805, 79335, 83763, 87849, 139605, 146415, 400201, 418815, 439245, 1200603, 2001005, 3601809, 6003015, 18009045]

約数ペア:

[(1, 18009045), (3, 6003015), (5, 3601809), (9, 2001005), (15, 1200603), (41, 439245), (43, 418815), (45, 400201), (123, 146415), (129, 139605), (205, 87849), (215, 83763), (227, 79335), (369, 48805), (387, 46535), (615, 29283), (645, 27921), (681, 26445), (1135, 15867), (1763, 10215), (1845, 9761), (1935, 9307), (2043, 8815), (3405, 5289)]