1320694209

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{37273}}^1$

素因数の和:37437

約数の個数: 24

約数和(自身を含む): 1984765952

約数和(自身を除く): 664071743

約数列:

[1, 3, 9, 31, 93, 127, 279, 381, 1143, 3937, 11811, 35433, 37273, 111819, 335457, 1155463, 3466389, 4733671, 10399167, 14201013, 42603039, 146743801, 440231403, 1320694209]

約数ペア:

[(1, 1320694209), (3, 440231403), (9, 146743801), (31, 42603039), (93, 14201013), (127, 10399167), (279, 4733671), (381, 3466389), (1143, 1155463), (3937, 335457), (11811, 111819), (35433, 37273)]