85147839

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{3643}}^1$

素因数の和:3716

約数の個数: 36

約数和(自身を含む): 145811016

約数和(自身を除く): 60663177

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 2597, 3339, 3643, 7791, 10929, 23373, 25501, 32787, 76503, 178507, 193079, 229509, 535521, 579237, 1351553, 1606563, 1737711, 4054659, 9460871, 12163977, 28382613, 85147839]

約数ペア:

[(1, 85147839), (3, 28382613), (7, 12163977), (9, 9460871), (21, 4054659), (49, 1737711), (53, 1606563), (63, 1351553), (147, 579237), (159, 535521), (371, 229509), (441, 193079), (477, 178507), (1113, 76503), (2597, 32787), (3339, 25501), (3643, 23373), (7791, 10929)]