28804815

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5471}}^1$

素因数の和:5501

約数の個数: 40

約数和(自身を含む): 55617408

約数和(自身を除く): 26812593

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 5265, 5471, 16413, 27355, 49239, 71123, 82065, 147717, 213369, 246195, 355615, 443151, 640107, 738585, 1066845, 1920321, 2215755, 3200535, 5760963, 9601605, 28804815]

約数ペア:

[(1, 28804815), (3, 9601605), (5, 5760963), (9, 3200535), (13, 2215755), (15, 1920321), (27, 1066845), (39, 738585), (45, 640107), (65, 443151), (81, 355615), (117, 246195), (135, 213369), (195, 147717), (351, 82065), (405, 71123), (585, 49239), (1053, 27355), (1755, 16413), (5265, 5471)]