201971745

素因数分解:

$3^3\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1901}}^1$

素因数の和:2702

約数の個数: 32

約数和(自身を含む): 359706240

約数和(自身を除く): 157734495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 787, 1901, 2361, 3935, 5703, 7083, 9505, 11805, 17109, 21249, 28515, 35415, 51327, 85545, 106245, 256635, 1496087, 4488261, 7480435, 13464783, 22441305, 40394349, 67323915, 201971745]

約数ペア:

[(1, 201971745), (3, 67323915), (5, 40394349), (9, 22441305), (15, 13464783), (27, 7480435), (45, 4488261), (135, 1496087), (787, 256635), (1901, 106245), (2361, 85545), (3935, 51327), (5703, 35415), (7083, 28515), (9505, 21249), (11805, 17109)]