81424671

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 118272000

約数和(自身を除く): 36847329

約数列:

[1, 3, 19, 43, 57, 129, 139, 239, 417, 717, 817, 2451, 2641, 4541, 5977, 7923, 10277, 13623, 17931, 30831, 33221, 99663, 113563, 195263, 340689, 585789, 631199, 1428503, 1893597, 4285509, 27141557, 81424671]

約数ペア:

[(1, 81424671), (3, 27141557), (19, 4285509), (43, 1893597), (57, 1428503), (129, 631199), (139, 585789), (239, 340689), (417, 195263), (717, 113563), (817, 99663), (2451, 33221), (2641, 30831), (4541, 17931), (5977, 13623), (7923, 10277)]