71721507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5393}}^1$

素因数の和:5451

約数の個数: 32

約数和(自身を含む): 115992576

約数和(自身を除く): 44271069

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 341, 403, 429, 1023, 1209, 4433, 5393, 13299, 16179, 59323, 70109, 167183, 177969, 210327, 501549, 771199, 1839013, 2173379, 2313597, 5517039, 6520137, 23907169, 71721507]

約数ペア:

[(1, 71721507), (3, 23907169), (11, 6520137), (13, 5517039), (31, 2313597), (33, 2173379), (39, 1839013), (93, 771199), (143, 501549), (341, 210327), (403, 177969), (429, 167183), (1023, 70109), (1209, 59323), (4433, 16179), (5393, 13299)]