2108691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 3341520

約数和(自身を除く): 1232829

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 269, 603, 807, 871, 2421, 2613, 3497, 7839, 10491, 18023, 31473, 54069, 162207, 234299, 702897, 2108691]

約数ペア:

[(1, 2108691), (3, 702897), (9, 234299), (13, 162207), (39, 54069), (67, 31473), (117, 18023), (201, 10491), (269, 7839), (603, 3497), (807, 2613), (871, 2421)]