398788923

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{6427}}^1$

素因数の和:6523

約数の個数: 32

約数和(自身を含む): 601866496

約数和(自身を除く): 203077573

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 481, 559, 1443, 1591, 1677, 4773, 6427, 19281, 20683, 62049, 83551, 237799, 250653, 276361, 713397, 829083, 3091387, 3592693, 9274161, 10225357, 10778079, 30676071, 132929641, 398788923]

約数ペア:

[(1, 398788923), (3, 132929641), (13, 30676071), (37, 10778079), (39, 10225357), (43, 9274161), (111, 3592693), (129, 3091387), (481, 829083), (559, 713397), (1443, 276361), (1591, 250653), (1677, 237799), (4773, 83551), (6427, 62049), (19281, 20683)]