15986685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 31207680

約数和(自身を除く): 15220995

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 55, 65, 87, 143, 145, 165, 195, 257, 319, 377, 429, 435, 715, 771, 957, 1131, 1285, 1595, 1885, 2145, 2827, 3341, 3855, 4147, 4785, 5655, 7453, 8481, 10023, 12441, 14135, 16705, 20735, 22359, 36751, 37265, 42405, 50115, 62205, 81983, 96889, 110253, 111795, 183755, 245949, 290667, 409915, 484445, 551265, 1065779, 1229745, 1453335, 3197337, 5328895, 15986685]

約数ペア:

[(1, 15986685), (3, 5328895), (5, 3197337), (11, 1453335), (13, 1229745), (15, 1065779), (29, 551265), (33, 484445), (39, 409915), (55, 290667), (65, 245949), (87, 183755), (143, 111795), (145, 110253), (165, 96889), (195, 81983), (257, 62205), (319, 50115), (377, 42405), (429, 37265), (435, 36751), (715, 22359), (771, 20735), (957, 16705), (1131, 14135), (1285, 12441), (1595, 10023), (1885, 8481), (2145, 7453), (2827, 5655), (3341, 4785), (3855, 4147)]