1261861719

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{499}}^1\times {\mathrm{547}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 1788672000

約数和(自身を除く): 526810281

約数列:

[1, 3, 23, 67, 69, 201, 499, 547, 1497, 1541, 1641, 4623, 11477, 12581, 33433, 34431, 36649, 37743, 100299, 109947, 272953, 768959, 818859, 842927, 2306877, 2528781, 6277919, 18287851, 18833757, 54863553, 420620573, 1261861719]

約数ペア:

[(1, 1261861719), (3, 420620573), (23, 54863553), (67, 18833757), (69, 18287851), (201, 6277919), (499, 2528781), (547, 2306877), (1497, 842927), (1541, 818859), (1641, 768959), (4623, 272953), (11477, 109947), (12581, 100299), (33433, 37743), (34431, 36649)]