201211521

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{673}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 320931840

約数和(自身を除く): 119720319

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 619, 673, 1857, 2019, 4333, 4711, 12999, 14133, 14237, 15479, 42711, 46437, 99659, 108353, 298977, 325059, 416587, 1249761, 2916109, 8748327, 9581501, 28744503, 67070507, 201211521]

約数ペア:

[(1, 201211521), (3, 67070507), (7, 28744503), (21, 9581501), (23, 8748327), (69, 2916109), (161, 1249761), (483, 416587), (619, 325059), (673, 298977), (1857, 108353), (2019, 99659), (4333, 46437), (4711, 42711), (12999, 15479), (14133, 14237)]