40396041

素因数分解:

$3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:818

約数の個数: 36

約数和(自身を含む): 68468400

約数和(自身を除く): 28072359

約数列:

[1, 3, 7, 9, 21, 49, 63, 139, 147, 417, 441, 659, 973, 1251, 1977, 2919, 4613, 5931, 6811, 8757, 13839, 20433, 32291, 41517, 61299, 91601, 96873, 274803, 290619, 641207, 824409, 1923621, 4488449, 5770863, 13465347, 40396041]

約数ペア:

[(1, 40396041), (3, 13465347), (7, 5770863), (9, 4488449), (21, 1923621), (49, 824409), (63, 641207), (139, 290619), (147, 274803), (417, 96873), (441, 91601), (659, 61299), (973, 41517), (1251, 32291), (1977, 20433), (2919, 13839), (4613, 8757), (5931, 6811)]