81181746

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{145487}}^1$

素因数の和:145526

約数の個数: 24

約数和(自身を含む): 181569024

約数和(自身を除く): 100387278

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 145487, 290974, 436461, 872922, 1309383, 2618766, 4510097, 9020194, 13530291, 27060582, 40590873, 81181746]

約数ペア:

[(1, 81181746), (2, 40590873), (3, 27060582), (6, 13530291), (9, 9020194), (18, 4510097), (31, 2618766), (62, 1309383), (93, 872922), (186, 436461), (279, 290974), (558, 145487)]