64007181

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7678

約数の個数: 36

約数和(自身を含む): 113224800

約数和(自身を除く): 49217619

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 7639, 8379, 22917, 53473, 68751, 145141, 160419, 374311, 435423, 481257, 1015987, 1122933, 1306269, 3047961, 3368799, 7111909, 9143883, 21335727, 64007181]

約数ペア:

[(1, 64007181), (3, 21335727), (7, 9143883), (9, 7111909), (19, 3368799), (21, 3047961), (49, 1306269), (57, 1122933), (63, 1015987), (133, 481257), (147, 435423), (171, 374311), (399, 160419), (441, 145141), (931, 68751), (1197, 53473), (2793, 22917), (7639, 8379)]