212156637

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19541}}^1$

素因数の和:19609

約数の個数: 32

約数和(自身を含む): 360198144

約数和(自身を除く): 148041507

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 141, 231, 329, 517, 987, 1551, 3619, 10857, 19541, 58623, 136787, 214951, 410361, 644853, 918427, 1504657, 2755281, 4513971, 6428989, 10102697, 19286967, 30308091, 70718879, 212156637]

約数ペア:

[(1, 212156637), (3, 70718879), (7, 30308091), (11, 19286967), (21, 10102697), (33, 6428989), (47, 4513971), (77, 2755281), (141, 1504657), (231, 918427), (329, 644853), (517, 410361), (987, 214951), (1551, 136787), (3619, 58623), (10857, 19541)]