67666665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1033}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 118521216

約数和(自身を除く): 50854551

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 397, 1033, 1191, 1985, 3099, 4367, 5165, 5955, 11363, 13101, 15495, 21835, 34089, 56815, 65505, 170445, 410101, 1230303, 2050505, 4511111, 6151515, 13533333, 22555555, 67666665]

約数ペア:

[(1, 67666665), (3, 22555555), (5, 13533333), (11, 6151515), (15, 4511111), (33, 2050505), (55, 1230303), (165, 410101), (397, 170445), (1033, 65505), (1191, 56815), (1985, 34089), (3099, 21835), (4367, 15495), (5165, 13101), (5955, 11363)]