1880151

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 3161088

約数和(自身を除く): 1280937

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 97, 213, 273, 291, 497, 679, 923, 1261, 1491, 2037, 2769, 3783, 6461, 6887, 8827, 19383, 20661, 26481, 48209, 89531, 144627, 268593, 626717, 1880151]

約数ペア:

[(1, 1880151), (3, 626717), (7, 268593), (13, 144627), (21, 89531), (39, 48209), (71, 26481), (91, 20661), (97, 19383), (213, 8827), (273, 6887), (291, 6461), (497, 3783), (679, 2769), (923, 2037), (1261, 1491)]