142743505821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{399841753}}^1$

素因数の和:399841780

約数の個数: 16

約数和(自身を含む): 230308850304

約数和(自身を除く): 87565344483

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 399841753, 1199525259, 2798892271, 6797309801, 8396676813, 20391929403, 47581168607, 142743505821]

約数ペア:

[(1, 142743505821), (3, 47581168607), (7, 20391929403), (17, 8396676813), (21, 6797309801), (51, 2798892271), (119, 1199525259), (357, 399841753)]