12900465

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{601}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 23600808

約数和(自身を除く): 10700343

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 601, 795, 1431, 1803, 2385, 3005, 4293, 5409, 7155, 9015, 16227, 21465, 27045, 31853, 48681, 81135, 95559, 159265, 243405, 286677, 477795, 860031, 1433385, 2580093, 4300155, 12900465]

約数ペア:

[(1, 12900465), (3, 4300155), (5, 2580093), (9, 1433385), (15, 860031), (27, 477795), (45, 286677), (53, 243405), (81, 159265), (135, 95559), (159, 81135), (265, 48681), (405, 31853), (477, 27045), (601, 21465), (795, 16227), (1431, 9015), (1803, 7155), (2385, 5409), (3005, 4293)]