405965709

素因数分解:

$3^3\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 644311360

約数和(自身を除く): 238345651

約数列:

[1, 3, 9, 23, 27, 43, 69, 129, 207, 387, 529, 621, 661, 989, 1161, 1587, 1983, 2967, 4761, 5949, 8901, 14283, 15203, 17847, 22747, 26703, 28423, 45609, 68241, 85269, 136827, 204723, 255807, 349669, 410481, 614169, 653729, 767421, 1049007, 1961187, 3147021, 5883561, 9441063, 15035767, 17650683, 45107301, 135321903, 405965709]

約数ペア:

[(1, 405965709), (3, 135321903), (9, 45107301), (23, 17650683), (27, 15035767), (43, 9441063), (69, 5883561), (129, 3147021), (207, 1961187), (387, 1049007), (529, 767421), (621, 653729), (661, 614169), (989, 410481), (1161, 349669), (1587, 255807), (1983, 204723), (2967, 136827), (4761, 85269), (5949, 68241), (8901, 45609), (14283, 28423), (15203, 26703), (17847, 22747)]