210915523

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 275072000

約数和(自身を除く): 64156477

約数列:

[1, 7, 13, 19, 91, 133, 199, 247, 613, 1393, 1729, 2587, 3781, 4291, 7969, 11647, 18109, 26467, 49153, 55783, 81529, 121987, 151411, 344071, 853909, 1059877, 1585831, 2317753, 11100817, 16224271, 30130789, 210915523]

約数ペア:

[(1, 210915523), (7, 30130789), (13, 16224271), (19, 11100817), (91, 2317753), (133, 1585831), (199, 1059877), (247, 853909), (613, 344071), (1393, 151411), (1729, 121987), (2587, 81529), (3781, 55783), (4291, 49153), (7969, 26467), (11647, 18109)]