978889191

素因数分解:

$3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1\times {\mathrm{809}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 1507092480

約数和(自身を除く): 528203289

約数列:

[1, 3, 7, 21, 157, 367, 471, 809, 1099, 1101, 2427, 2569, 3297, 5663, 7707, 16989, 57619, 127013, 172857, 296903, 381039, 403333, 889091, 890709, 1209999, 2078321, 2667273, 6234963, 46613771, 139841313, 326296397, 978889191]

約数ペア:

[(1, 978889191), (3, 326296397), (7, 139841313), (21, 46613771), (157, 6234963), (367, 2667273), (471, 2078321), (809, 1209999), (1099, 890709), (1101, 889091), (2427, 403333), (2569, 381039), (3297, 296903), (5663, 172857), (7707, 127013), (16989, 57619)]