311990811

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4831}}^1$

素因数の和:4967

約数の個数: 32

約数和(自身を含む): 482426880

約数和(自身を除く): 170436069

約数列:

[1, 3, 11, 19, 33, 57, 103, 209, 309, 627, 1133, 1957, 3399, 4831, 5871, 14493, 21527, 53141, 64581, 91789, 159423, 275367, 497593, 1009679, 1492779, 3029037, 5473523, 9454267, 16420569, 28362801, 103996937, 311990811]

約数ペア:

[(1, 311990811), (3, 103996937), (11, 28362801), (19, 16420569), (33, 9454267), (57, 5473523), (103, 3029037), (209, 1492779), (309, 1009679), (627, 497593), (1133, 275367), (1957, 159423), (3399, 91789), (4831, 64581), (5871, 53141), (14493, 21527)]