891345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 1757952

約数和(自身を除く): 866607

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 653, 1365, 1959, 3265, 4571, 8489, 9795, 13713, 22855, 25467, 42445, 59423, 68565, 127335, 178269, 297115, 891345]

約数ペア:

[(1, 891345), (3, 297115), (5, 178269), (7, 127335), (13, 68565), (15, 59423), (21, 42445), (35, 25467), (39, 22855), (65, 13713), (91, 9795), (105, 8489), (195, 4571), (273, 3265), (455, 1959), (653, 1365)]