211315713

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{617}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 330338304

約数和(自身を除く): 119022591

約数列:

[1, 3, 7, 21, 47, 141, 329, 347, 617, 987, 1041, 1851, 2429, 4319, 7287, 12957, 16309, 28999, 48927, 86997, 114163, 202993, 214099, 342489, 608979, 642297, 1498693, 4496079, 10062653, 30187959, 70438571, 211315713]

約数ペア:

[(1, 211315713), (3, 70438571), (7, 30187959), (21, 10062653), (47, 4496079), (141, 1498693), (329, 642297), (347, 608979), (617, 342489), (987, 214099), (1041, 202993), (1851, 114163), (2429, 86997), (4319, 48927), (7287, 28999), (12957, 16309)]