870855921

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{15803}}^1$

素因数の和:15982

約数の個数: 32

約数和(自身を含む): 1398337920

約数和(自身を除く): 527481999

約数列:

[1, 3, 9, 13, 27, 39, 117, 157, 351, 471, 1413, 2041, 4239, 6123, 15803, 18369, 47409, 55107, 142227, 205439, 426681, 616317, 1848951, 2481071, 5546853, 7443213, 22329639, 32253923, 66988917, 96761769, 290285307, 870855921]

約数ペア:

[(1, 870855921), (3, 290285307), (9, 96761769), (13, 66988917), (27, 32253923), (39, 22329639), (117, 7443213), (157, 5546853), (351, 2481071), (471, 1848951), (1413, 616317), (2041, 426681), (4239, 205439), (6123, 142227), (15803, 55107), (18369, 47409)]