17798937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 8812263

約数列:

[1, 3, 13, 39, 53, 79, 109, 159, 237, 327, 689, 1027, 1417, 2067, 3081, 4187, 4251, 5777, 8611, 12561, 17331, 25833, 54431, 75101, 111943, 163293, 225303, 335829, 456383, 1369149, 5932979, 17798937]

約数ペア:

[(1, 17798937), (3, 5932979), (13, 1369149), (39, 456383), (53, 335829), (79, 225303), (109, 163293), (159, 111943), (237, 75101), (327, 54431), (689, 25833), (1027, 17331), (1417, 12561), (2067, 8611), (3081, 5777), (4187, 4251)]