73781955

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2517

約数の個数: 64

約数和(自身を含む): 149627520

約数和(自身を除く): 75845565

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 85, 117, 135, 153, 195, 221, 255, 351, 459, 585, 663, 765, 1105, 1755, 1989, 2295, 2473, 3315, 5967, 7419, 9945, 12365, 22257, 29835, 32149, 37095, 42041, 66771, 96447, 111285, 126123, 160745, 210205, 289341, 333855, 378369, 482235, 546533, 630615, 868023, 1135107, 1446705, 1639599, 1891845, 2732665, 4340115, 4918797, 5675535, 8197995, 14756391, 24593985, 73781955]

約数ペア:

[(1, 73781955), (3, 24593985), (5, 14756391), (9, 8197995), (13, 5675535), (15, 4918797), (17, 4340115), (27, 2732665), (39, 1891845), (45, 1639599), (51, 1446705), (65, 1135107), (85, 868023), (117, 630615), (135, 546533), (153, 482235), (195, 378369), (221, 333855), (255, 289341), (351, 210205), (459, 160745), (585, 126123), (663, 111285), (765, 96447), (1105, 66771), (1755, 42041), (1989, 37095), (2295, 32149), (2473, 29835), (3315, 22257), (5967, 12365), (7419, 9945)]