12778353

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 22239360

約数和(自身を除く): 9461007

約数列:

[1, 3, 7, 9, 21, 43, 53, 63, 89, 129, 159, 267, 301, 371, 387, 477, 623, 801, 903, 1113, 1869, 2279, 2709, 3339, 3827, 4717, 5607, 6837, 11481, 14151, 15953, 20511, 26789, 33019, 34443, 42453, 47859, 80367, 99057, 143577, 202831, 241101, 297171, 608493, 1419817, 1825479, 4259451, 12778353]

約数ペア:

[(1, 12778353), (3, 4259451), (7, 1825479), (9, 1419817), (21, 608493), (43, 297171), (53, 241101), (63, 202831), (89, 143577), (129, 99057), (159, 80367), (267, 47859), (301, 42453), (371, 34443), (387, 33019), (477, 26789), (623, 20511), (801, 15953), (903, 14151), (1113, 11481), (1869, 6837), (2279, 5607), (2709, 4717), (3339, 3827)]