389697

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 662112

約数和(自身を除く): 272415

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 241, 539, 723, 1617, 1687, 2651, 5061, 7953, 11809, 18557, 35427, 55671, 129899, 389697]

約数ペア:

[(1, 389697), (3, 129899), (7, 55671), (11, 35427), (21, 18557), (33, 11809), (49, 7953), (77, 5061), (147, 2651), (231, 1687), (241, 1617), (539, 723)]