215520129

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{7481}}^1$

素因数の和:7598

約数の個数: 32

約数和(自身を含む): 351953280

約数和(自身を除く): 136433151

約数列:

[1, 3, 9, 11, 27, 33, 97, 99, 291, 297, 873, 1067, 2619, 3201, 7481, 9603, 22443, 28809, 67329, 82291, 201987, 246873, 725657, 740619, 2176971, 2221857, 6530913, 7982227, 19592739, 23946681, 71840043, 215520129]

約数ペア:

[(1, 215520129), (3, 71840043), (9, 23946681), (11, 19592739), (27, 7982227), (33, 6530913), (97, 2221857), (99, 2176971), (291, 740619), (297, 725657), (873, 246873), (1067, 201987), (2619, 82291), (3201, 67329), (7481, 28809), (9603, 22443)]