207473721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{1523}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 341376000

約数和(自身を除く): 133902279

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 499, 1497, 1523, 3493, 4569, 6487, 10479, 10661, 19461, 19799, 31983, 45409, 59397, 136227, 138593, 415779, 759977, 2279931, 5319839, 9879701, 15959517, 29639103, 69157907, 207473721]

約数ペア:

[(1, 207473721), (3, 69157907), (7, 29639103), (13, 15959517), (21, 9879701), (39, 5319839), (91, 2279931), (273, 759977), (499, 415779), (1497, 138593), (1523, 136227), (3493, 59397), (4569, 45409), (6487, 31983), (10479, 19799), (10661, 19461)]