878242729

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{81101}}^1$

素因数の和:81145

約数の個数: 24

約数和(自身を含む): 1164949128

約数和(自身を除く): 286706399

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 81101, 567707, 1054313, 1378717, 3973949, 7380191, 9651019, 17923321, 51661337, 67557133, 125463247, 878242729]

約数ペア:

[(1, 878242729), (7, 125463247), (13, 67557133), (17, 51661337), (49, 17923321), (91, 9651019), (119, 7380191), (221, 3973949), (637, 1378717), (833, 1054313), (1547, 567707), (10829, 81101)]