420935859

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{16603}}^1$

素因数の和:16928

約数の個数: 20

約数和(自身を含む): 630852376

約数和(自身を除く): 209916517

約数列:

[1, 3, 9, 27, 81, 313, 939, 2817, 8451, 16603, 25353, 49809, 149427, 448281, 1344843, 5196739, 15590217, 46770651, 140311953, 420935859]

約数ペア:

[(1, 420935859), (3, 140311953), (9, 46770651), (27, 15590217), (81, 5196739), (313, 1344843), (939, 448281), (2817, 149427), (8451, 49809), (16603, 25353)]