12166821

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 19516800

約数和(自身を除く): 7349979

約数列:

[1, 3, 9, 19, 27, 37, 57, 111, 171, 333, 513, 641, 703, 999, 1923, 2109, 5769, 6327, 12179, 17307, 18981, 23717, 36537, 71151, 109611, 213453, 328833, 450623, 640359, 1351869, 4055607, 12166821]

約数ペア:

[(1, 12166821), (3, 4055607), (9, 1351869), (19, 640359), (27, 450623), (37, 328833), (57, 213453), (111, 109611), (171, 71151), (333, 36537), (513, 23717), (641, 18981), (703, 17307), (999, 12179), (1923, 6327), (2109, 5769)]