1981093617

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{106907}}^1$

素因数の和:107013

約数の個数: 24

約数和(自身を含む): 3001976640

約数和(自身を除く): 1020883023

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 2059, 6177, 18531, 106907, 320721, 962163, 3100303, 7590397, 9300909, 22771191, 27902727, 68313573, 220121513, 660364539, 1981093617]

約数ペア:

[(1, 1981093617), (3, 660364539), (9, 220121513), (29, 68313573), (71, 27902727), (87, 22771191), (213, 9300909), (261, 7590397), (639, 3100303), (2059, 962163), (6177, 320721), (18531, 106907)]