12698289

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:291

約数の個数: 40

約数和(自身を含む): 20599040

約数和(自身を除く): 7900751

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 223, 333, 513, 669, 703, 999, 1539, 2007, 2109, 2997, 4237, 6021, 6327, 8251, 12711, 18063, 18981, 24753, 38133, 56943, 74259, 114399, 156769, 222777, 343197, 470307, 668331, 1410921, 4232763, 12698289]

約数ペア:

[(1, 12698289), (3, 4232763), (9, 1410921), (19, 668331), (27, 470307), (37, 343197), (57, 222777), (81, 156769), (111, 114399), (171, 74259), (223, 56943), (333, 38133), (513, 24753), (669, 18981), (703, 18063), (999, 12711), (1539, 8251), (2007, 6327), (2109, 6021), (2997, 4237)]