128456253

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{593}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 195022080

約数和(自身を除く): 66565827

約数列:

[1, 3, 9, 27, 71, 113, 213, 339, 593, 639, 1017, 1779, 1917, 3051, 5337, 8023, 16011, 24069, 42103, 67009, 72207, 126309, 201027, 216621, 378927, 603081, 1136781, 1809243, 4757639, 14272917, 42818751, 128456253]

約数ペア:

[(1, 128456253), (3, 42818751), (9, 14272917), (27, 4757639), (71, 1809243), (113, 1136781), (213, 603081), (339, 378927), (593, 216621), (639, 201027), (1017, 126309), (1779, 72207), (1917, 67009), (3051, 42103), (5337, 24069), (8023, 16011)]