55131921

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1$

素因数の和:1343

約数の個数: 40

約数和(自身を含む): 90927144

約数和(自身を除く): 35795223

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 351, 369, 533, 1053, 1107, 1277, 1599, 3321, 3831, 4797, 11493, 14391, 16601, 34479, 43173, 49803, 52357, 103437, 149409, 157071, 448227, 471213, 680641, 1344681, 1413639, 2041923, 4240917, 6125769, 18377307, 55131921]

約数ペア:

[(1, 55131921), (3, 18377307), (9, 6125769), (13, 4240917), (27, 2041923), (39, 1413639), (41, 1344681), (81, 680641), (117, 471213), (123, 448227), (351, 157071), (369, 149409), (533, 103437), (1053, 52357), (1107, 49803), (1277, 43173), (1599, 34479), (3321, 16601), (3831, 14391), (4797, 11493)]