1209141

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{2357}}^1$

素因数の和:2385

約数の個数: 16

約数和(自身を含む): 1886400

約数和(自身を除く): 677259

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 2357, 7071, 21213, 44783, 63639, 134349, 403047, 1209141]

約数ペア:

[(1, 1209141), (3, 403047), (9, 134349), (19, 63639), (27, 44783), (57, 21213), (171, 7071), (513, 2357)]