215420733

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{19963}}^1$

素因数の和:20089

約数の個数: 24

約数和(自身を含む): 342582240

約数和(自身を除く): 127161507

約数列:

[1, 3, 9, 11, 33, 99, 109, 327, 981, 1199, 3597, 10791, 19963, 59889, 179667, 219593, 658779, 1976337, 2175967, 6527901, 19583703, 23935637, 71806911, 215420733]

約数ペア:

[(1, 215420733), (3, 71806911), (9, 23935637), (11, 19583703), (33, 6527901), (99, 2175967), (109, 1976337), (327, 658779), (981, 219593), (1199, 179667), (3597, 59889), (10791, 19963)]