206072643

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 318689280

約数和(自身を除く): 112616637

約数列:

[1, 3, 7, 21, 139, 227, 311, 417, 681, 933, 973, 1589, 2177, 2919, 4767, 6531, 31553, 43229, 70597, 94659, 129687, 211791, 220871, 302603, 494179, 662613, 907809, 1482537, 9812983, 29438949, 68690881, 206072643]

約数ペア:

[(1, 206072643), (3, 68690881), (7, 29438949), (21, 9812983), (139, 1482537), (227, 907809), (311, 662613), (417, 494179), (681, 302603), (933, 220871), (973, 211791), (1589, 129687), (2177, 94659), (2919, 70597), (4767, 43229), (6531, 31553)]