27918765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{337}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 55680768

約数和(自身を除く): 27762003

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 263, 315, 337, 789, 1011, 1315, 1685, 1841, 2359, 2367, 3033, 3945, 5055, 5523, 7077, 9205, 11795, 11835, 15165, 16569, 21231, 27615, 35385, 82845, 88631, 106155, 265893, 443155, 620417, 797679, 1329465, 1861251, 3102085, 3988395, 5583753, 9306255, 27918765]

約数ペア:

[(1, 27918765), (3, 9306255), (5, 5583753), (7, 3988395), (9, 3102085), (15, 1861251), (21, 1329465), (35, 797679), (45, 620417), (63, 443155), (105, 265893), (263, 106155), (315, 88631), (337, 82845), (789, 35385), (1011, 27615), (1315, 21231), (1685, 16569), (1841, 15165), (2359, 11835), (2367, 11795), (3033, 9205), (3945, 7077), (5055, 5523)]