15566985

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:77

約数の個数: 120

約数和(自身を含む): 35661120

約数和(自身を除く): 20094135

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 45, 51, 57, 63, 81, 85, 95, 105, 119, 133, 135, 153, 171, 189, 255, 285, 289, 315, 323, 357, 399, 405, 459, 513, 567, 595, 665, 765, 855, 867, 945, 969, 1071, 1197, 1377, 1445, 1539, 1615, 1785, 1995, 2023, 2261, 2295, 2565, 2601, 2835, 2907, 3213, 3591, 4335, 4845, 5355, 5491, 5985, 6069, 6783, 6885, 7695, 7803, 8721, 9639, 10115, 10773, 11305, 13005, 14535, 16065, 16473, 17955, 18207, 20349, 23409, 26163, 27455, 30345, 33915, 38437, 39015, 43605, 48195, 49419, 53865, 54621, 61047, 82365, 91035, 101745, 115311, 117045, 130815, 148257, 163863, 183141, 192185, 247095, 273105, 305235, 345933, 444771, 576555, 741285, 819315, 915705, 1037799, 1729665, 2223855, 3113397, 5188995, 15566985]

約数ペア:

[(1, 15566985), (3, 5188995), (5, 3113397), (7, 2223855), (9, 1729665), (15, 1037799), (17, 915705), (19, 819315), (21, 741285), (27, 576555), (35, 444771), (45, 345933), (51, 305235), (57, 273105), (63, 247095), (81, 192185), (85, 183141), (95, 163863), (105, 148257), (119, 130815), (133, 117045), (135, 115311), (153, 101745), (171, 91035), (189, 82365), (255, 61047), (285, 54621), (289, 53865), (315, 49419), (323, 48195), (357, 43605), (399, 39015), (405, 38437), (459, 33915), (513, 30345), (567, 27455), (595, 26163), (665, 23409), (765, 20349), (855, 18207), (867, 17955), (945, 16473), (969, 16065), (1071, 14535), (1197, 13005), (1377, 11305), (1445, 10773), (1539, 10115), (1615, 9639), (1785, 8721), (1995, 7803), (2023, 7695), (2261, 6885), (2295, 6783), (2565, 6069), (2601, 5985), (2835, 5491), (2907, 5355), (3213, 4845), (3591, 4335)]