290818809

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{21937}}^1$

素因数の和:22437

約数の個数: 16

約数和(自身を含む): 431739840

約数和(自身を除く): 140921031

約数列:

[1, 3, 9, 27, 491, 1473, 4419, 13257, 21937, 65811, 197433, 592299, 10771067, 32313201, 96939603, 290818809]

約数ペア:

[(1, 290818809), (3, 96939603), (9, 32313201), (27, 10771067), (491, 592299), (1473, 197433), (4419, 65811), (13257, 21937)]