66646785

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{439}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 110880000

約数和(自身を除く): 44233215

約数列:

[1, 3, 5, 15, 29, 87, 145, 349, 435, 439, 1047, 1317, 1745, 2195, 5235, 6585, 10121, 12731, 30363, 38193, 50605, 63655, 151815, 153211, 190965, 459633, 766055, 2298165, 4443119, 13329357, 22215595, 66646785]

約数ペア:

[(1, 66646785), (3, 22215595), (5, 13329357), (15, 4443119), (29, 2298165), (87, 766055), (145, 459633), (349, 190965), (435, 153211), (439, 151815), (1047, 63655), (1317, 50605), (1745, 38193), (2195, 30363), (5235, 12731), (6585, 10121)]