289311621

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 409495296

約数和(自身を除く): 120183675

約数列:

[1, 3, 37, 41, 111, 123, 151, 421, 453, 1263, 1517, 4551, 5587, 6191, 15577, 16761, 17261, 18573, 46731, 51783, 63571, 190713, 229067, 638657, 687201, 1915971, 2352127, 2606411, 7056381, 7819233, 96437207, 289311621]

約数ペア:

[(1, 289311621), (3, 96437207), (37, 7819233), (41, 7056381), (111, 2606411), (123, 2352127), (151, 1915971), (421, 687201), (453, 638657), (1263, 229067), (1517, 190713), (4551, 63571), (5587, 51783), (6191, 46731), (15577, 18573), (16761, 17261)]