697265091

素因数分解:

$3^4\times {\mathrm{467}}^1\times {\mathrm{18433}}^1$

素因数の和:18912

約数の個数: 20

約数和(自身を含む): 1043880552

約数和(自身を除く): 346615461

約数列:

[1, 3, 9, 27, 81, 467, 1401, 4203, 12609, 18433, 37827, 55299, 165897, 497691, 1493073, 8608211, 25824633, 77473899, 232421697, 697265091]

約数ペア:

[(1, 697265091), (3, 232421697), (9, 77473899), (27, 25824633), (81, 8608211), (467, 1493073), (1401, 497691), (4203, 165897), (12609, 55299), (18433, 37827)]