420858

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:338

約数の個数: 24

約数和(自身を含む): 924768

約数和(自身を除く): 503910

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 227, 309, 454, 618, 681, 927, 1362, 1854, 2043, 4086, 23381, 46762, 70143, 140286, 210429, 420858]

約数ペア:

[(1, 420858), (2, 210429), (3, 140286), (6, 70143), (9, 46762), (18, 23381), (103, 4086), (206, 2043), (227, 1854), (309, 1362), (454, 927), (618, 681)]