1378909971

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{40933}}^1$

素因数の和:41155

約数の個数: 24

約数和(自身を含む): 2107282320

約数和(自身を除く): 728372349

約数列:

[1, 3, 9, 19, 57, 171, 197, 591, 1773, 3743, 11229, 33687, 40933, 122799, 368397, 777727, 2333181, 6999543, 8063801, 24191403, 72574209, 153212219, 459636657, 1378909971]

約数ペア:

[(1, 1378909971), (3, 459636657), (9, 153212219), (19, 72574209), (57, 24191403), (171, 8063801), (197, 6999543), (591, 2333181), (1773, 777727), (3743, 368397), (11229, 122799), (33687, 40933)]