66490065

素因数分解:

$3^4\times 5^1\times {\mathrm{164173}}^1$

素因数の和:164190

約数の個数: 20

約数和(自身を含む): 119190324

約数和(自身を除く): 52700259

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 164173, 492519, 820865, 1477557, 2462595, 4432671, 7387785, 13298013, 22163355, 66490065]

約数ペア:

[(1, 66490065), (3, 22163355), (5, 13298013), (9, 7387785), (15, 4432671), (27, 2462595), (45, 1477557), (81, 820865), (135, 492519), (405, 164173)]