64319997

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23029}}^1$

素因数の和:23065

約数の個数: 24

約数和(自身を含む): 105016800

約数和(自身を除く): 40696803

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 23029, 69087, 161203, 437551, 483609, 1128421, 1312653, 3062857, 3385263, 9188571, 21439999, 64319997]

約数ペア:

[(1, 64319997), (3, 21439999), (7, 9188571), (19, 3385263), (21, 3062857), (49, 1312653), (57, 1128421), (133, 483609), (147, 437551), (399, 161203), (931, 69087), (2793, 23029)]