209861157

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{503}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 313528320

約数和(自身を除く): 103667163

約数列:

[1, 3, 11, 33, 47, 141, 269, 503, 517, 807, 1509, 1551, 2959, 5533, 8877, 12643, 16599, 23641, 37929, 70923, 135307, 139073, 260051, 405921, 417219, 780153, 1488377, 4465131, 6359429, 19078287, 69953719, 209861157]

約数ペア:

[(1, 209861157), (3, 69953719), (11, 19078287), (33, 6359429), (47, 4465131), (141, 1488377), (269, 780153), (503, 417219), (517, 405921), (807, 260051), (1509, 139073), (1551, 135307), (2959, 70923), (5533, 37929), (8877, 23641), (12643, 16599)]