309683007

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 478486272

約数和(自身を除く): 168803265

約数列:

[1, 3, 9, 27, 37, 81, 111, 191, 333, 541, 573, 999, 1623, 1719, 2997, 4869, 5157, 7067, 14607, 15471, 20017, 21201, 43821, 60051, 63603, 103331, 180153, 190809, 309993, 540459, 572427, 929979, 1621377, 2789937, 3823247, 8369811, 11469741, 34409223, 103227669, 309683007]

約数ペア:

[(1, 309683007), (3, 103227669), (9, 34409223), (27, 11469741), (37, 8369811), (81, 3823247), (111, 2789937), (191, 1621377), (333, 929979), (541, 572427), (573, 540459), (999, 309993), (1623, 190809), (1719, 180153), (2997, 103331), (4869, 63603), (5157, 60051), (7067, 43821), (14607, 21201), (15471, 20017)]