31779387

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 47724768

約数和(自身を除く): 15945381

約数列:

[1, 3, 9, 41, 71, 123, 213, 369, 639, 1213, 2911, 3639, 8733, 10917, 26199, 49733, 86123, 149199, 258369, 447597, 775107, 3531043, 10593129, 31779387]

約数ペア:

[(1, 31779387), (3, 10593129), (9, 3531043), (41, 775107), (71, 447597), (123, 258369), (213, 149199), (369, 86123), (639, 49733), (1213, 26199), (2911, 10917), (3639, 8733)]