2012157045

素因数分解:

$3^4\times 5^1\times {\mathrm{4968289}}^1$

素因数の和:4968306

約数の個数: 20

約数和(自身を含む): 3606978540

約数和(自身を除く): 1594821495

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4968289, 14904867, 24841445, 44714601, 74524335, 134143803, 223573005, 402431409, 670719015, 2012157045]

約数ペア:

[(1, 2012157045), (3, 670719015), (5, 402431409), (9, 223573005), (15, 134143803), (27, 74524335), (45, 44714601), (81, 24841445), (135, 14904867), (405, 4968289)]