1420173209

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{1051}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 1809776640

約数和(自身を除く): 389603431

約数列:

[1, 7, 13, 31, 91, 217, 403, 479, 1051, 2821, 3353, 6227, 7357, 13663, 14849, 32581, 43589, 95641, 103943, 193037, 228067, 423553, 503429, 1351259, 2964871, 3524003, 6544577, 15606299, 45812039, 109244093, 202881887, 1420173209]

約数ペア:

[(1, 1420173209), (7, 202881887), (13, 109244093), (31, 45812039), (91, 15606299), (217, 6544577), (403, 3524003), (479, 2964871), (1051, 1351259), (2821, 503429), (3353, 423553), (6227, 228067), (7357, 193037), (13663, 103943), (14849, 95641), (32581, 43589)]