388973997

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{5689}}^1$

素因数の和:5873

約数の個数: 24

約数和(自身を含む): 575190720

約数和(自身を除く): 186216723

約数列:

[1, 3, 9, 71, 107, 213, 321, 639, 963, 5689, 7597, 17067, 22791, 51201, 68373, 403919, 608723, 1211757, 1826169, 3635271, 5478507, 43219333, 129657999, 388973997]

約数ペア:

[(1, 388973997), (3, 129657999), (9, 43219333), (71, 5478507), (107, 3635271), (213, 1826169), (321, 1211757), (639, 608723), (963, 403919), (5689, 68373), (7597, 51201), (17067, 22791)]