81149445

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15413}}^1$

素因数の和:15443

約数の個数: 40

約数和(自身を含む): 156667896

約数和(自身を除く): 75518451

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 15413, 46239, 77065, 138717, 200369, 231195, 416151, 601107, 693585, 1001845, 1248453, 1803321, 2080755, 3005535, 5409963, 6242265, 9016605, 16229889, 27049815, 81149445]

約数ペア:

[(1, 81149445), (3, 27049815), (5, 16229889), (9, 9016605), (13, 6242265), (15, 5409963), (27, 3005535), (39, 2080755), (45, 1803321), (65, 1248453), (81, 1001845), (117, 693585), (135, 601107), (195, 416151), (351, 231195), (405, 200369), (585, 138717), (1053, 77065), (1755, 46239), (5265, 15413)]