81376065

素因数分解:

$3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{3167}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 141343488

約数和(自身を除く): 59967423

約数列:

[1, 3, 5, 9, 15, 45, 571, 1713, 2855, 3167, 5139, 8565, 9501, 15835, 25695, 28503, 47505, 142515, 1808357, 5425071, 9041785, 16275213, 27125355, 81376065]

約数ペア:

[(1, 81376065), (3, 27125355), (5, 16275213), (9, 9041785), (15, 5425071), (45, 1808357), (571, 142515), (1713, 47505), (2855, 28503), (3167, 25695), (5139, 15835), (8565, 9501)]