1985280345

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{621371}}^1$

素因数の和:621453

約数の個数: 24

約数和(自身を含む): 3489625152

約数和(自身を除く): 1504344807

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 621371, 1864113, 3106855, 5592339, 9320565, 27961695, 44117341, 132352023, 220586705, 397056069, 661760115, 1985280345]

約数ペア:

[(1, 1985280345), (3, 661760115), (5, 397056069), (9, 220586705), (15, 132352023), (45, 44117341), (71, 27961695), (213, 9320565), (355, 5592339), (639, 3106855), (1065, 1864113), (3195, 621371)]