16690515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 30533760

約数和(自身を除く): 13843245

約数列:

[1, 3, 5, 15, 17, 29, 37, 51, 61, 85, 87, 111, 145, 183, 185, 255, 305, 435, 493, 555, 629, 915, 1037, 1073, 1479, 1769, 1887, 2257, 2465, 3111, 3145, 3219, 5185, 5307, 5365, 6771, 7395, 8845, 9435, 11285, 15555, 16095, 18241, 26535, 30073, 33855, 38369, 54723, 65453, 90219, 91205, 115107, 150365, 191845, 196359, 273615, 327265, 451095, 575535, 981795, 1112701, 3338103, 5563505, 16690515]

約数ペア:

[(1, 16690515), (3, 5563505), (5, 3338103), (15, 1112701), (17, 981795), (29, 575535), (37, 451095), (51, 327265), (61, 273615), (85, 196359), (87, 191845), (111, 150365), (145, 115107), (183, 91205), (185, 90219), (255, 65453), (305, 54723), (435, 38369), (493, 33855), (555, 30073), (629, 26535), (915, 18241), (1037, 16095), (1073, 15555), (1479, 11285), (1769, 9435), (1887, 8845), (2257, 7395), (2465, 6771), (3111, 5365), (3145, 5307), (3219, 5185)]