12939969

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 21833280

約数和(自身を除く): 8893311

約数列:

[1, 3, 7, 19, 21, 41, 49, 57, 113, 123, 133, 147, 287, 339, 399, 779, 791, 861, 931, 2009, 2147, 2337, 2373, 2793, 4633, 5453, 5537, 6027, 6441, 13899, 15029, 16359, 16611, 32431, 38171, 45087, 88027, 97293, 105203, 114513, 227017, 264081, 315609, 616189, 681051, 1848567, 4313323, 12939969]

約数ペア:

[(1, 12939969), (3, 4313323), (7, 1848567), (19, 681051), (21, 616189), (41, 315609), (49, 264081), (57, 227017), (113, 114513), (123, 105203), (133, 97293), (147, 88027), (287, 45087), (339, 38171), (399, 32431), (779, 16611), (791, 16359), (861, 15029), (931, 13899), (2009, 6441), (2147, 6027), (2337, 5537), (2373, 5453), (2793, 4633)]