78685191

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 128419200

約数和(自身を除く): 49734009

約数列:

[1, 3, 9, 13, 39, 41, 47, 117, 123, 141, 349, 369, 423, 533, 611, 1047, 1599, 1833, 1927, 3141, 4537, 4797, 5499, 5781, 13611, 14309, 16403, 17343, 25051, 40833, 42927, 49209, 75153, 128781, 147627, 186017, 213239, 225459, 558051, 639717, 672523, 1674153, 1919151, 2017569, 6052707, 8742799, 26228397, 78685191]

約数ペア:

[(1, 78685191), (3, 26228397), (9, 8742799), (13, 6052707), (39, 2017569), (41, 1919151), (47, 1674153), (117, 672523), (123, 639717), (141, 558051), (349, 225459), (369, 213239), (423, 186017), (533, 147627), (611, 128781), (1047, 75153), (1599, 49209), (1833, 42927), (1927, 40833), (3141, 25051), (4537, 17343), (4797, 16403), (5499, 14309), (5781, 13611)]