8420013

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:394

約数の個数: 36

約数和(自身を含む): 14425788

約数和(自身を除く): 6005775

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 313, 427, 441, 549, 939, 1281, 2191, 2817, 2989, 3843, 6573, 8967, 15337, 19093, 19719, 26901, 46011, 57279, 133651, 138033, 171837, 400953, 935557, 1202859, 2806671, 8420013]

約数ペア:

[(1, 8420013), (3, 2806671), (7, 1202859), (9, 935557), (21, 400953), (49, 171837), (61, 138033), (63, 133651), (147, 57279), (183, 46011), (313, 26901), (427, 19719), (441, 19093), (549, 15337), (939, 8967), (1281, 6573), (2191, 3843), (2817, 2989)]