210005859

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2451

約数の個数: 32

約数和(自身を含む): 329978880

約数和(自身を除く): 119973021

約数列:

[1, 3, 7, 21, 61, 71, 183, 213, 427, 497, 1281, 1491, 2309, 4331, 6927, 12993, 16163, 30317, 48489, 90951, 140849, 163939, 422547, 491817, 985943, 1147573, 2957829, 3442719, 10000279, 30000837, 70001953, 210005859]

約数ペア:

[(1, 210005859), (3, 70001953), (7, 30000837), (21, 10000279), (61, 3442719), (71, 2957829), (183, 1147573), (213, 985943), (427, 491817), (497, 422547), (1281, 163939), (1491, 140849), (2309, 90951), (4331, 48489), (6927, 30317), (12993, 16163)]