18167715

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 33153120

約数和(自身を除く): 14985405

約数列:

[1, 3, 5, 9, 15, 41, 43, 45, 123, 129, 205, 215, 229, 369, 387, 615, 645, 687, 1145, 1763, 1845, 1935, 2061, 3435, 5289, 8815, 9389, 9847, 10305, 15867, 26445, 28167, 29541, 46945, 49235, 79335, 84501, 88623, 140835, 147705, 403727, 422505, 443115, 1211181, 2018635, 3633543, 6055905, 18167715]

約数ペア:

[(1, 18167715), (3, 6055905), (5, 3633543), (9, 2018635), (15, 1211181), (41, 443115), (43, 422505), (45, 403727), (123, 147705), (129, 140835), (205, 88623), (215, 84501), (229, 79335), (369, 49235), (387, 46945), (615, 29541), (645, 28167), (687, 26445), (1145, 15867), (1763, 10305), (1845, 9847), (1935, 9389), (2061, 8815), (3435, 5289)]