408965517

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{49019}}^1$

素因数の和:49134

約数の個数: 20

約数和(自身を含む): 616867680

約数和(自身を除く): 207902163

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 49019, 147057, 441171, 1323513, 3970539, 5048957, 15146871, 45440613, 136321839, 408965517]

約数ペア:

[(1, 408965517), (3, 136321839), (9, 45440613), (27, 15146871), (81, 5048957), (103, 3970539), (309, 1323513), (927, 441171), (2781, 147057), (8343, 49019)]