1719291

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 2867200

約数和(自身を除く): 1147909

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 139, 217, 399, 417, 589, 651, 973, 1767, 2641, 2919, 4123, 4309, 7923, 12369, 12927, 18487, 30163, 55461, 81871, 90489, 245613, 573097, 1719291]

約数ペア:

[(1, 1719291), (3, 573097), (7, 245613), (19, 90489), (21, 81871), (31, 55461), (57, 30163), (93, 18487), (133, 12927), (139, 12369), (217, 7923), (399, 4309), (417, 4123), (589, 2919), (651, 2641), (973, 1767)]