12871215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1409}}^1$

素因数の和:1456

約数の個数: 48

約数和(自身を含む): 26395200

約数和(自身を除く): 13523985

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1409, 1827, 3045, 4227, 7045, 9135, 9863, 12681, 21135, 29589, 40861, 49315, 63405, 88767, 122583, 147945, 204305, 286027, 367749, 443835, 612915, 858081, 1430135, 1838745, 2574243, 4290405, 12871215]

約数ペア:

[(1, 12871215), (3, 4290405), (5, 2574243), (7, 1838745), (9, 1430135), (15, 858081), (21, 612915), (29, 443835), (35, 367749), (45, 286027), (63, 204305), (87, 147945), (105, 122583), (145, 88767), (203, 63405), (261, 49315), (315, 40861), (435, 29589), (609, 21135), (1015, 12681), (1305, 9863), (1409, 9135), (1827, 7045), (3045, 4227)]