81465345

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15473}}^1$

素因数の和:15503

約数の個数: 40

約数和(自身を含む): 157277736

約数和(自身を除く): 75812391

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 15473, 46419, 77365, 139257, 201149, 232095, 417771, 603447, 696285, 1005745, 1253313, 1810341, 2088855, 3017235, 5431023, 6266565, 9051705, 16293069, 27155115, 81465345]

約数ペア:

[(1, 81465345), (3, 27155115), (5, 16293069), (9, 9051705), (13, 6266565), (15, 5431023), (27, 3017235), (39, 2088855), (45, 1810341), (65, 1253313), (81, 1005745), (117, 696285), (135, 603447), (195, 417771), (351, 232095), (405, 201149), (585, 139257), (1053, 77365), (1755, 46419), (5265, 15473)]