83857815

素因数分解:

$3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2417}}^1$

素因数の和:2688

約数の個数: 32

約数和(自身を含む): 149722560

約数和(自身を除く): 65864745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 257, 771, 1285, 2313, 2417, 3855, 6939, 7251, 11565, 12085, 21753, 34695, 36255, 65259, 108765, 326295, 621169, 1863507, 3105845, 5590521, 9317535, 16771563, 27952605, 83857815]

約数ペア:

[(1, 83857815), (3, 27952605), (5, 16771563), (9, 9317535), (15, 5590521), (27, 3105845), (45, 1863507), (135, 621169), (257, 326295), (771, 108765), (1285, 65259), (2313, 36255), (2417, 34695), (3855, 21753), (6939, 12085), (7251, 11565)]