168220773

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{2957}}^1$

素因数の和:3023

約数の個数: 48

約数和(自身を含む): 296746560

約数和(自身を除く): 128525787

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 903, 1161, 1323, 2107, 2709, 2957, 6321, 8127, 8871, 18963, 20699, 26613, 56889, 62097, 79839, 127151, 144893, 186291, 381453, 434679, 558873, 890057, 1144359, 1304037, 2670171, 3433077, 3912111, 6230399, 8010513, 18691197, 24031539, 56073591, 168220773]

約数ペア:

[(1, 168220773), (3, 56073591), (7, 24031539), (9, 18691197), (21, 8010513), (27, 6230399), (43, 3912111), (49, 3433077), (63, 2670171), (129, 1304037), (147, 1144359), (189, 890057), (301, 558873), (387, 434679), (441, 381453), (903, 186291), (1161, 144893), (1323, 127151), (2107, 79839), (2709, 62097), (2957, 56889), (6321, 26613), (8127, 20699), (8871, 18963)]