199318659

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:971

約数の個数: 32

約数和(自身を含む): 289981440

約数和(自身を除く): 90662781

約数列:

[1, 3, 17, 51, 61, 79, 183, 237, 811, 1037, 1343, 2433, 3111, 4029, 4819, 13787, 14457, 41361, 49471, 64069, 81923, 148413, 192207, 245769, 841007, 1089173, 2523021, 3267519, 3908209, 11724627, 66439553, 199318659]

約数ペア:

[(1, 199318659), (3, 66439553), (17, 11724627), (51, 3908209), (61, 3267519), (79, 2523021), (183, 1089173), (237, 841007), (811, 245769), (1037, 192207), (1343, 148413), (2433, 81923), (3111, 64069), (4029, 49471), (4819, 41361), (13787, 14457)]