9978885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 20067840

約数和(自身を除く): 10088955

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 401, 553, 711, 1185, 1203, 1659, 2005, 2765, 2807, 3555, 3609, 4977, 6015, 8295, 8421, 14035, 18045, 24885, 25263, 31679, 42105, 95037, 126315, 158395, 221753, 285111, 475185, 665259, 1108765, 1425555, 1995777, 3326295, 9978885]

約数ペア:

[(1, 9978885), (3, 3326295), (5, 1995777), (7, 1425555), (9, 1108765), (15, 665259), (21, 475185), (35, 285111), (45, 221753), (63, 158395), (79, 126315), (105, 95037), (237, 42105), (315, 31679), (395, 25263), (401, 24885), (553, 18045), (711, 14035), (1185, 8421), (1203, 8295), (1659, 6015), (2005, 4977), (2765, 3609), (2807, 3555)]