81431238

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{276977}}^1$

素因数の和:276996

約数の個数: 24

約数和(自身を含む): 189452952

約数和(自身を除く): 108021714

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 276977, 553954, 830931, 1661862, 1938839, 3877678, 5816517, 11633034, 13571873, 27143746, 40715619, 81431238]

約数ペア:

[(1, 81431238), (2, 40715619), (3, 27143746), (6, 13571873), (7, 11633034), (14, 5816517), (21, 3877678), (42, 1938839), (49, 1661862), (98, 830931), (147, 553954), (294, 276977)]