420121005

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{4201}}^1$

素因数の和:4381

約数の個数: 32

約数和(自身を含む): 689800320

約数和(自身を除く): 269679315

約数列:

[1, 3, 5, 15, 59, 113, 177, 295, 339, 565, 885, 1695, 4201, 6667, 12603, 20001, 21005, 33335, 63015, 100005, 247859, 474713, 743577, 1239295, 1424139, 2373565, 3717885, 7120695, 28008067, 84024201, 140040335, 420121005]

約数ペア:

[(1, 420121005), (3, 140040335), (5, 84024201), (15, 28008067), (59, 7120695), (113, 3717885), (177, 2373565), (295, 1424139), (339, 1239295), (565, 743577), (885, 474713), (1695, 247859), (4201, 100005), (6667, 63015), (12603, 33335), (20001, 21005)]