51989769

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 84666120

約数和(自身を除く): 32676351

約数列:

[1, 3, 9, 13, 27, 39, 81, 97, 117, 291, 351, 509, 873, 1053, 1261, 1527, 2619, 3783, 4581, 6617, 7857, 11349, 13743, 19851, 34047, 41229, 49373, 59553, 102141, 148119, 178659, 444357, 535977, 641849, 1333071, 1925547, 3999213, 5776641, 17329923, 51989769]

約数ペア:

[(1, 51989769), (3, 17329923), (9, 5776641), (13, 3999213), (27, 1925547), (39, 1333071), (81, 641849), (97, 535977), (117, 444357), (291, 178659), (351, 148119), (509, 102141), (873, 59553), (1053, 49373), (1261, 41229), (1527, 34047), (2619, 19851), (3783, 13743), (4581, 11349), (6617, 7857)]