211313193

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40739}}^1$

素因数の和:40781

約数の個数: 32

約数和(自身を含む): 365030400

約数和(自身を除く): 153717207

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 40739, 122217, 285173, 529607, 774041, 855519, 1588821, 2322123, 3707249, 5418287, 10062533, 11121747, 16254861, 30187599, 70437731, 211313193]

約数ペア:

[(1, 211313193), (3, 70437731), (7, 30187599), (13, 16254861), (19, 11121747), (21, 10062533), (39, 5418287), (57, 3707249), (91, 2322123), (133, 1588821), (247, 855519), (273, 774041), (399, 529607), (741, 285173), (1729, 122217), (5187, 40739)]