201661185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{661}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 360911808

約数和(自身を除く): 159250623

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 661, 1419, 1849, 1983, 2365, 3305, 5547, 7095, 7271, 9245, 9915, 20339, 21813, 27735, 28423, 36355, 61017, 85269, 101695, 109065, 142115, 305085, 312653, 426345, 937959, 1222189, 1563265, 3666567, 4689795, 6110945, 13444079, 18332835, 40332237, 67220395, 201661185]

約数ペア:

[(1, 201661185), (3, 67220395), (5, 40332237), (11, 18332835), (15, 13444079), (33, 6110945), (43, 4689795), (55, 3666567), (129, 1563265), (165, 1222189), (215, 937959), (473, 426345), (645, 312653), (661, 305085), (1419, 142115), (1849, 109065), (1983, 101695), (2365, 85269), (3305, 61017), (5547, 36355), (7095, 28423), (7271, 27735), (9245, 21813), (9915, 20339)]