4080279

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 6492528

約数和(自身を除く): 2412249

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 677, 861, 2009, 2031, 4739, 6027, 14217, 27757, 33173, 83271, 99519, 194299, 582897, 1360093, 4080279]

約数ペア:

[(1, 4080279), (3, 1360093), (7, 582897), (21, 194299), (41, 99519), (49, 83271), (123, 33173), (147, 27757), (287, 14217), (677, 6027), (861, 4739), (2009, 2031)]