201218949

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{1901}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 306602400

約数和(自身を除く): 105383451

約数列:

[1, 3, 9, 19, 57, 171, 619, 1857, 1901, 5571, 5703, 11761, 17109, 35283, 36119, 105849, 108357, 325071, 1176719, 3530157, 10590471, 22357661, 67072983, 201218949]

約数ペア:

[(1, 201218949), (3, 67072983), (9, 22357661), (19, 10590471), (57, 3530157), (171, 1176719), (619, 325071), (1857, 108357), (1901, 105849), (5571, 36119), (5703, 35283), (11761, 17109)]