27961605

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{1409}}^1$

素因数の和:1440

約数の個数: 60

約数和(自身を含む): 58348620

約数和(自身を除く): 30387015

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 405, 441, 567, 735, 945, 1323, 1409, 2205, 2835, 3969, 4227, 6615, 7045, 9863, 12681, 19845, 21135, 29589, 38043, 49315, 63405, 69041, 88767, 114129, 147945, 190215, 207123, 266301, 345205, 443835, 570645, 621369, 798903, 1035615, 1331505, 1864107, 3106845, 3994515, 5592321, 9320535, 27961605]

約数ペア:

[(1, 27961605), (3, 9320535), (5, 5592321), (7, 3994515), (9, 3106845), (15, 1864107), (21, 1331505), (27, 1035615), (35, 798903), (45, 621369), (49, 570645), (63, 443835), (81, 345205), (105, 266301), (135, 207123), (147, 190215), (189, 147945), (245, 114129), (315, 88767), (405, 69041), (441, 63405), (567, 49315), (735, 38043), (945, 29589), (1323, 21135), (1409, 19845), (2205, 12681), (2835, 9863), (3969, 7045), (4227, 6615)]