2680457829

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{70951}}^1$

素因数の和:71225

約数の個数: 24

約数和(自身を含む): 4173680448

約数和(自身を除く): 1493222619

約数列:

[1, 3, 7, 21, 49, 147, 257, 771, 1799, 5397, 12593, 37779, 70951, 212853, 496657, 1489971, 3476599, 10429797, 18234407, 54703221, 127640849, 382922547, 893485943, 2680457829]

約数ペア:

[(1, 2680457829), (3, 893485943), (7, 382922547), (21, 127640849), (49, 54703221), (147, 18234407), (257, 10429797), (771, 3476599), (1799, 1489971), (5397, 496657), (12593, 212853), (37779, 70951)]