255389859

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{2963}}^1$

素因数の和:3187

約数の個数: 24

約数和(自身を含む): 377459472

約数和(自身を除く): 122069613

約数列:

[1, 3, 9, 61, 157, 183, 471, 549, 1413, 2963, 8889, 9577, 26667, 28731, 86193, 180743, 465191, 542229, 1395573, 1626687, 4186719, 28376651, 85129953, 255389859]

約数ペア:

[(1, 255389859), (3, 85129953), (9, 28376651), (61, 4186719), (157, 1626687), (183, 1395573), (471, 542229), (549, 465191), (1413, 180743), (2963, 86193), (8889, 28731), (9577, 26667)]