1947807

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:324

約数の個数: 20

約数和(自身を含む): 2947560

約数和(自身を除く): 999753

約数列:

[1, 3, 9, 27, 81, 139, 173, 417, 519, 1251, 1557, 3753, 4671, 11259, 14013, 24047, 72141, 216423, 649269, 1947807]

約数ペア:

[(1, 1947807), (3, 649269), (9, 216423), (27, 72141), (81, 24047), (139, 14013), (173, 11259), (417, 4671), (519, 3753), (1251, 1557)]