78546945

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 128646144

約数和(自身を除く): 50099199

約数列:

[1, 3, 5, 15, 71, 131, 213, 355, 393, 563, 655, 1065, 1689, 1965, 2815, 8445, 9301, 27903, 39973, 46505, 73753, 119919, 139515, 199865, 221259, 368765, 599595, 1106295, 5236463, 15709389, 26182315, 78546945]

約数ペア:

[(1, 78546945), (3, 26182315), (5, 15709389), (15, 5236463), (71, 1106295), (131, 599595), (213, 368765), (355, 221259), (393, 199865), (563, 139515), (655, 119919), (1065, 73753), (1689, 46505), (1965, 39973), (2815, 27903), (8445, 9301)]