207861615

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18701}}^1$

素因数の和:18744

約数の個数: 48

約数和(自身を含む): 408451680

約数和(自身を除く): 200590065

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 741, 855, 1235, 2223, 3705, 11115, 18701, 56103, 93505, 168309, 243113, 280515, 355319, 729339, 841545, 1065957, 1215565, 1776595, 2188017, 3197871, 3646695, 4619147, 5329785, 10940085, 13857441, 15989355, 23095735, 41572323, 69287205, 207861615]

約数ペア:

[(1, 207861615), (3, 69287205), (5, 41572323), (9, 23095735), (13, 15989355), (15, 13857441), (19, 10940085), (39, 5329785), (45, 4619147), (57, 3646695), (65, 3197871), (95, 2188017), (117, 1776595), (171, 1215565), (195, 1065957), (247, 841545), (285, 729339), (585, 355319), (741, 280515), (855, 243113), (1235, 168309), (2223, 93505), (3705, 56103), (11115, 18701)]