80257815

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{577}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 152564256

約数和(自身を除く): 72306441

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 281, 495, 577, 843, 1405, 1731, 2529, 2885, 3091, 4215, 5193, 6347, 8655, 9273, 12645, 15455, 19041, 25965, 27819, 31735, 46365, 57123, 95205, 139095, 162137, 285615, 486411, 810685, 1459233, 1783507, 2432055, 5350521, 7296165, 8917535, 16051563, 26752605, 80257815]

約数ペア:

[(1, 80257815), (3, 26752605), (5, 16051563), (9, 8917535), (11, 7296165), (15, 5350521), (33, 2432055), (45, 1783507), (55, 1459233), (99, 810685), (165, 486411), (281, 285615), (495, 162137), (577, 139095), (843, 95205), (1405, 57123), (1731, 46365), (2529, 31735), (2885, 27819), (3091, 25965), (4215, 19041), (5193, 15455), (6347, 12645), (8655, 9273)]