1331305521

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 2229696000

約数和(自身を除く): 898390479

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 157, 267, 273, 349, 471, 623, 1047, 1099, 1157, 1869, 2041, 2443, 3297, 3471, 4537, 6123, 7329, 8099, 13611, 13973, 14287, 24297, 31061, 31759, 41919, 42861, 54793, 93183, 95277, 97811, 164379, 181649, 217427, 293433, 383551, 403793, 544947, 652281, 712309, 1150653, 1211379, 1271543, 2136927, 2826551, 3814629, 4876577, 4986163, 8479653, 14629731, 14958489, 34136039, 63395501, 102408117, 190186503, 443768507, 1331305521]

約数ペア:

[(1, 1331305521), (3, 443768507), (7, 190186503), (13, 102408117), (21, 63395501), (39, 34136039), (89, 14958489), (91, 14629731), (157, 8479653), (267, 4986163), (273, 4876577), (349, 3814629), (471, 2826551), (623, 2136927), (1047, 1271543), (1099, 1211379), (1157, 1150653), (1869, 712309), (2041, 652281), (2443, 544947), (3297, 403793), (3471, 383551), (4537, 293433), (6123, 217427), (7329, 181649), (8099, 164379), (13611, 97811), (13973, 95277), (14287, 93183), (24297, 54793), (31061, 42861), (31759, 41919)]