80812815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10223}}^1$

素因数の和:10279

約数の個数: 32

約数和(自身を含む): 141336576

約数和(自身を除く): 60523761

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 10223, 30669, 51115, 153345, 173791, 316913, 521373, 868955, 950739, 1584565, 2606865, 4753695, 5387521, 16162563, 26937605, 80812815]

約数ペア:

[(1, 80812815), (3, 26937605), (5, 16162563), (15, 5387521), (17, 4753695), (31, 2606865), (51, 1584565), (85, 950739), (93, 868955), (155, 521373), (255, 316913), (465, 173791), (527, 153345), (1581, 51115), (2635, 30669), (7905, 10223)]