12971745

素因数分解:

$3^4\times 5^1\times {\mathrm{32029}}^1$

素因数の和:32046

約数の個数: 20

約数和(自身を含む): 23253780

約数和(自身を除く): 10282035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32029, 96087, 160145, 288261, 480435, 864783, 1441305, 2594349, 4323915, 12971745]

約数ペア:

[(1, 12971745), (3, 4323915), (5, 2594349), (9, 1441305), (15, 864783), (27, 480435), (45, 288261), (81, 160145), (135, 96087), (405, 32029)]