216480369

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{251429}}^1$

素因数の和:251480

約数の個数: 16

約数和(自身を含む): 337921920

約数和(自身を除く): 121441551

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 251429, 754287, 1760003, 5280009, 10308589, 30925767, 72160123, 216480369]

約数ペア:

[(1, 216480369), (3, 72160123), (7, 30925767), (21, 10308589), (41, 5280009), (123, 1760003), (287, 754287), (861, 251429)]