31294767

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1913}}^1$

素因数の和:1983

約数の個数: 32

約数和(自身を含む): 51448320

約数和(自身を除く): 20153553

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1913, 2337, 5453, 5739, 13391, 16359, 36347, 40173, 78433, 109041, 235299, 254429, 549031, 763287, 1490227, 1647093, 4470681, 10431589, 31294767]

約数ペア:

[(1, 31294767), (3, 10431589), (7, 4470681), (19, 1647093), (21, 1490227), (41, 763287), (57, 549031), (123, 254429), (133, 235299), (287, 109041), (399, 78433), (779, 40173), (861, 36347), (1913, 16359), (2337, 13391), (5453, 5739)]