38020815

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 72

約数和(自身を含む): 78640848

約数和(自身を除く): 40620033

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 105, 129, 147, 215, 245, 301, 315, 387, 401, 441, 645, 735, 903, 1203, 1505, 1935, 2005, 2107, 2205, 2709, 2807, 3609, 4515, 6015, 6321, 8421, 10535, 13545, 14035, 17243, 18045, 18963, 19649, 25263, 31605, 42105, 51729, 58947, 86215, 94815, 98245, 120701, 126315, 155187, 176841, 258645, 294735, 362103, 603505, 775935, 844907, 884205, 1086309, 1810515, 2534721, 4224535, 5431545, 7604163, 12673605, 38020815]

約数ペア:

[(1, 38020815), (3, 12673605), (5, 7604163), (7, 5431545), (9, 4224535), (15, 2534721), (21, 1810515), (35, 1086309), (43, 884205), (45, 844907), (49, 775935), (63, 603505), (105, 362103), (129, 294735), (147, 258645), (215, 176841), (245, 155187), (301, 126315), (315, 120701), (387, 98245), (401, 94815), (441, 86215), (645, 58947), (735, 51729), (903, 42105), (1203, 31605), (1505, 25263), (1935, 19649), (2005, 18963), (2107, 18045), (2205, 17243), (2709, 14035), (2807, 13545), (3609, 10535), (4515, 8421), (6015, 6321)]