18315045

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19381}}^1$

素因数の和:19402

約数の個数: 32

約数和(自身を含む): 37213440

約数和(自身を除く): 18898395

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19381, 58143, 96905, 135667, 174429, 290715, 407001, 523287, 678335, 872145, 1221003, 2035005, 2616435, 3663009, 6105015, 18315045]

約数ペア:

[(1, 18315045), (3, 6105015), (5, 3663009), (7, 2616435), (9, 2035005), (15, 1221003), (21, 872145), (27, 678335), (35, 523287), (45, 407001), (63, 290715), (105, 174429), (135, 135667), (189, 96905), (315, 58143), (945, 19381)]