840332703

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6997}}^1$

素因数の和:7076

約数の個数: 48

約数和(自身を含む): 1404078720

約数和(自身を除く): 563746017

約数列:

[1, 3, 7, 19, 21, 43, 49, 57, 129, 133, 147, 301, 399, 817, 903, 931, 2107, 2451, 2793, 5719, 6321, 6997, 17157, 20991, 40033, 48979, 120099, 132943, 146937, 300871, 342853, 398829, 902613, 930601, 1028559, 2106097, 2791803, 5716549, 6318291, 6514207, 14742679, 17149647, 19542621, 40015843, 44228037, 120047529, 280110901, 840332703]

約数ペア:

[(1, 840332703), (3, 280110901), (7, 120047529), (19, 44228037), (21, 40015843), (43, 19542621), (49, 17149647), (57, 14742679), (129, 6514207), (133, 6318291), (147, 5716549), (301, 2791803), (399, 2106097), (817, 1028559), (903, 930601), (931, 902613), (2107, 398829), (2451, 342853), (2793, 300871), (5719, 146937), (6321, 132943), (6997, 120099), (17157, 48979), (20991, 40033)]