15664455

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 30412800

約数和(自身を除く): 14748345

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 93, 95, 135, 155, 171, 197, 279, 285, 465, 513, 589, 591, 837, 855, 985, 1395, 1767, 1773, 2565, 2945, 2955, 3743, 4185, 5301, 5319, 6107, 8835, 8865, 11229, 15903, 18321, 18715, 26505, 26595, 30535, 33687, 54963, 56145, 79515, 91605, 101061, 116033, 164889, 168435, 274815, 348099, 505305, 580165, 824445, 1044297, 1740495, 3132891, 5221485, 15664455]

約数ペア:

[(1, 15664455), (3, 5221485), (5, 3132891), (9, 1740495), (15, 1044297), (19, 824445), (27, 580165), (31, 505305), (45, 348099), (57, 274815), (93, 168435), (95, 164889), (135, 116033), (155, 101061), (171, 91605), (197, 79515), (279, 56145), (285, 54963), (465, 33687), (513, 30535), (589, 26595), (591, 26505), (837, 18715), (855, 18321), (985, 15903), (1395, 11229), (1767, 8865), (1773, 8835), (2565, 6107), (2945, 5319), (2955, 5301), (3743, 4185)]