84168721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 106086120

約数和(自身を除く): 21917399

約数列:

[1, 7, 13, 49, 91, 229, 577, 637, 1603, 2977, 4039, 7501, 11221, 20839, 28273, 52507, 132133, 145873, 367549, 924931, 1717729, 6474517, 12024103, 84168721]

約数ペア:

[(1, 84168721), (7, 12024103), (13, 6474517), (49, 1717729), (91, 924931), (229, 367549), (577, 145873), (637, 132133), (1603, 52507), (2977, 28273), (4039, 20839), (7501, 11221)]