178712145

素因数分解:

$3^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4909}}^1$

素因数の和:5729

約数の個数: 24

約数和(自身を含む): 310213800

約数和(自身を除く): 131501655

約数列:

[1, 3, 5, 9, 15, 45, 809, 2427, 4045, 4909, 7281, 12135, 14727, 24545, 36405, 44181, 73635, 220905, 3971381, 11914143, 19856905, 35742429, 59570715, 178712145]

約数ペア:

[(1, 178712145), (3, 59570715), (5, 35742429), (9, 19856905), (15, 11914143), (45, 3971381), (809, 220905), (2427, 73635), (4045, 44181), (4909, 36405), (7281, 24545), (12135, 14727)]