290670987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{221717}}^1$

素因数の和:221762

約数の個数: 16

約数和(自身を含む): 425698560

約数和(自身を除く): 135027573

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 221717, 665151, 4212623, 5099491, 12637869, 15298473, 96890329, 290670987]

約数ペア:

[(1, 290670987), (3, 96890329), (19, 15298473), (23, 12637869), (57, 5099491), (69, 4212623), (437, 665151), (1311, 221717)]