1388695959

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1160147}}^1$

素因数の和:1160179

約数の個数: 24

約数和(自身を含む): 2413107840

約数和(自身を除く): 1024411881

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1160147, 3480441, 8121029, 10441323, 22042793, 24363087, 66128379, 73089261, 154299551, 198385137, 462898653, 1388695959]

約数ペア:

[(1, 1388695959), (3, 462898653), (7, 198385137), (9, 154299551), (19, 73089261), (21, 66128379), (57, 24363087), (63, 22042793), (133, 10441323), (171, 8121029), (399, 3480441), (1197, 1160147)]