82720815

素因数分解:

$3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 134701056

約数和(自身を除く): 51980241

約数列:

[1, 3, 5, 15, 127, 173, 251, 381, 519, 635, 753, 865, 1255, 1905, 2595, 3765, 21971, 31877, 43423, 65913, 95631, 109855, 130269, 159385, 217115, 329565, 478155, 651345, 5514721, 16544163, 27573605, 82720815]

約数ペア:

[(1, 82720815), (3, 27573605), (5, 16544163), (15, 5514721), (127, 651345), (173, 478155), (251, 329565), (381, 217115), (519, 159385), (635, 130269), (753, 109855), (865, 95631), (1255, 65913), (1905, 43423), (2595, 31877), (3765, 21971)]