17722665

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 32711040

約数和(自身を除く): 14988375

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 71, 129, 135, 213, 215, 355, 387, 639, 645, 1065, 1161, 1849, 1917, 1935, 3053, 3195, 5547, 5805, 9159, 9245, 9585, 15265, 16641, 27477, 27735, 45795, 49923, 82431, 83205, 131279, 137385, 249615, 393837, 412155, 656395, 1181511, 1969185, 3544533, 5907555, 17722665]

約数ペア:

[(1, 17722665), (3, 5907555), (5, 3544533), (9, 1969185), (15, 1181511), (27, 656395), (43, 412155), (45, 393837), (71, 249615), (129, 137385), (135, 131279), (213, 83205), (215, 82431), (355, 49923), (387, 45795), (639, 27735), (645, 27477), (1065, 16641), (1161, 15265), (1849, 9585), (1917, 9245), (1935, 9159), (3053, 5805), (3195, 5547)]