81345891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{607}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 123273216

約数和(自身を除く): 41927325

約数列:

[1, 3, 11, 31, 33, 93, 131, 341, 393, 607, 1023, 1441, 1821, 4061, 4323, 6677, 12183, 18817, 20031, 44671, 56451, 79517, 134013, 206987, 238551, 620961, 874687, 2465027, 2624061, 7395081, 27115297, 81345891]

約数ペア:

[(1, 81345891), (3, 27115297), (11, 7395081), (31, 2624061), (33, 2465027), (93, 874687), (131, 620961), (341, 238551), (393, 206987), (607, 134013), (1023, 79517), (1441, 56451), (1821, 44671), (4061, 20031), (4323, 18817), (6677, 12183)]