128274237

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{156623}}^1$

素因数の和:156649

約数の個数: 24

約数和(自身を含む): 228044544

約数和(自身を除く): 99770307

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 156623, 469869, 1096361, 1409607, 2036099, 3289083, 6108297, 9867249, 14252693, 18324891, 42758079, 128274237]

約数ペア:

[(1, 128274237), (3, 42758079), (7, 18324891), (9, 14252693), (13, 9867249), (21, 6108297), (39, 3289083), (63, 2036099), (91, 1409607), (117, 1096361), (273, 469869), (819, 156623)]