390897927

素因数分解:

$3^3\times 7^1\times {\mathrm{541}}^1\times {\mathrm{3823}}^1$

素因数の和:4380

約数の個数: 32

約数和(自身を含む): 663234560

約数和(自身を除く): 272336633

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 541, 1623, 3787, 3823, 4869, 11361, 11469, 14607, 26761, 34083, 34407, 80283, 102249, 103221, 240849, 722547, 2068243, 6204729, 14477701, 18614187, 43433103, 55842561, 130299309, 390897927]

約数ペア:

[(1, 390897927), (3, 130299309), (7, 55842561), (9, 43433103), (21, 18614187), (27, 14477701), (63, 6204729), (189, 2068243), (541, 722547), (1623, 240849), (3787, 103221), (3823, 102249), (4869, 80283), (11361, 34407), (11469, 34083), (14607, 26761)]