51662835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 102847680

約数和(自身を除く): 51184845

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 401, 409, 1203, 1227, 2005, 2045, 2807, 2863, 3609, 3681, 6015, 6135, 8421, 8589, 14035, 14315, 18045, 18405, 25263, 25767, 42105, 42945, 126315, 128835, 164009, 492027, 820045, 1148063, 1476081, 2460135, 3444189, 5740315, 7380405, 10332567, 17220945, 51662835]

約数ペア:

[(1, 51662835), (3, 17220945), (5, 10332567), (7, 7380405), (9, 5740315), (15, 3444189), (21, 2460135), (35, 1476081), (45, 1148063), (63, 820045), (105, 492027), (315, 164009), (401, 128835), (409, 126315), (1203, 42945), (1227, 42105), (2005, 25767), (2045, 25263), (2807, 18405), (2863, 18045), (3609, 14315), (3681, 14035), (6015, 8589), (6135, 8421)]