205958529

素因数分解:

$3^2\times 7^1\times {\mathrm{1693}}^1\times {\mathrm{1931}}^1$

素因数の和:3637

約数の個数: 24

約数和(自身を含む): 340372032

約数和(自身を除く): 134413503

約数列:

[1, 3, 7, 9, 21, 63, 1693, 1931, 5079, 5793, 11851, 13517, 15237, 17379, 35553, 40551, 106659, 121653, 3269183, 9807549, 22884281, 29422647, 68652843, 205958529]

約数ペア:

[(1, 205958529), (3, 68652843), (7, 29422647), (9, 22884281), (21, 9807549), (63, 3269183), (1693, 121653), (1931, 106659), (5079, 40551), (5793, 35553), (11851, 17379), (13517, 15237)]