20171375517

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{717817}}^1$

素因数の和:717885

約数の個数: 32

約数和(自身を含む): 31009737600

約数和(自身を除く): 10838362083

約数列:

[1, 3, 17, 19, 29, 51, 57, 87, 323, 493, 551, 969, 1479, 1653, 9367, 28101, 717817, 2153451, 12202889, 13638523, 20816693, 36608667, 40915569, 62450079, 231854891, 353883781, 395517167, 695564673, 1061651343, 1186551501, 6723791839, 20171375517]

約数ペア:

[(1, 20171375517), (3, 6723791839), (17, 1186551501), (19, 1061651343), (29, 695564673), (51, 395517167), (57, 353883781), (87, 231854891), (323, 62450079), (493, 40915569), (551, 36608667), (969, 20816693), (1479, 13638523), (1653, 12202889), (9367, 2153451), (28101, 717817)]