12155391

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1499}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 18954000

約数和(自身を除く): 6798609

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 1499, 2703, 4497, 8109, 13491, 25483, 76449, 79447, 229347, 238341, 715023, 1350599, 4051797, 12155391]

約数ペア:

[(1, 12155391), (3, 4051797), (9, 1350599), (17, 715023), (51, 238341), (53, 229347), (153, 79447), (159, 76449), (477, 25483), (901, 13491), (1499, 8109), (2703, 4497)]