1279731663

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{63281}}^1$

素因数の和:63404

約数の個数: 32

約数和(自身を含む): 2187025920

約数和(自身を除く): 907294257

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 6741, 20223, 63281, 189843, 442967, 569529, 1328901, 1708587, 3986703, 6771067, 11960109, 20313201, 47397469, 60939603, 142192407, 182818809, 426577221, 1279731663]

約数ペア:

[(1, 1279731663), (3, 426577221), (7, 182818809), (9, 142192407), (21, 60939603), (27, 47397469), (63, 20313201), (107, 11960109), (189, 6771067), (321, 3986703), (749, 1708587), (963, 1328901), (2247, 569529), (2889, 442967), (6741, 189843), (20223, 63281)]