3983931

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 6842880

約数和(自身を除く): 2858949

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 197, 321, 591, 749, 963, 1379, 1773, 2247, 2889, 4137, 5319, 6741, 12411, 20223, 21079, 37233, 63237, 147553, 189711, 442659, 569133, 1327977, 3983931]

約数ペア:

[(1, 3983931), (3, 1327977), (7, 569133), (9, 442659), (21, 189711), (27, 147553), (63, 63237), (107, 37233), (189, 21079), (197, 20223), (321, 12411), (591, 6741), (749, 5319), (963, 4137), (1379, 2889), (1773, 2247)]