128292213

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{22543}}^1$

素因数の和:22824

約数の個数: 16

約数和(自身を含む): 196222976

約数和(自身を除く): 67930763

約数列:

[1, 3, 7, 21, 271, 813, 1897, 5691, 22543, 67629, 157801, 473403, 6109153, 18327459, 42764071, 128292213]

約数ペア:

[(1, 128292213), (3, 42764071), (7, 18327459), (21, 6109153), (271, 473403), (813, 157801), (1897, 67629), (5691, 22543)]