7424991

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6203}}^1$

素因数の和:6235

約数の個数: 24

約数和(自身を含む): 12904320

約数和(自身を除く): 5479329

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 6203, 18609, 43421, 55827, 117857, 130263, 353571, 390789, 824999, 1060713, 2474997, 7424991]

約数ペア:

[(1, 7424991), (3, 2474997), (7, 1060713), (9, 824999), (19, 390789), (21, 353571), (57, 130263), (63, 117857), (133, 55827), (171, 43421), (399, 18609), (1197, 6203)]