209914983

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{136397}}^1$

素因数の和:136428

約数の個数: 20

約数和(自身を含む): 330083160

約数和(自身を除く): 120168177

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 136397, 409191, 1227573, 2591543, 3682719, 7774629, 11048157, 23323887, 69971661, 209914983]

約数ペア:

[(1, 209914983), (3, 69971661), (9, 23323887), (19, 11048157), (27, 7774629), (57, 3682719), (81, 2591543), (171, 1227573), (513, 409191), (1539, 136397)]