127641213

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{6121}}^1$

素因数の和:6465

約数の個数: 24

約数和(自身を含む): 211380416

約数和(自身を除く): 83739203

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 2317, 2979, 6121, 6951, 18363, 20853, 42847, 55089, 128541, 385623, 2026051, 6078153, 14182357, 18234459, 42547071, 127641213]

約数ペア:

[(1, 127641213), (3, 42547071), (7, 18234459), (9, 14182357), (21, 6078153), (63, 2026051), (331, 385623), (993, 128541), (2317, 55089), (2979, 42847), (6121, 20853), (6951, 18363)]