1921903809

素因数分解:

$3^1\times 7^1\times {\mathrm{2203}}^1\times {\mathrm{41543}}^1$

素因数の和:43756

約数の個数: 16

約数和(自身を含む): 2930015232

約数和(自身を除く): 1008111423

約数列:

[1, 3, 7, 21, 2203, 6609, 15421, 41543, 46263, 124629, 290801, 872403, 91519229, 274557687, 640634603, 1921903809]

約数ペア:

[(1, 1921903809), (3, 640634603), (7, 274557687), (21, 91519229), (2203, 872403), (6609, 290801), (15421, 124629), (41543, 46263)]