11918529

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3319}}^1$

素因数の和:3354

約数の個数: 32

約数和(自身を含む): 21248000

約数和(自身を除く): 9329471

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3319, 3591, 9957, 23233, 29871, 63061, 69699, 89613, 189183, 209097, 441427, 567549, 627291, 1324281, 1702647, 3972843, 11918529]

約数ペア:

[(1, 11918529), (3, 3972843), (7, 1702647), (9, 1324281), (19, 627291), (21, 567549), (27, 441427), (57, 209097), (63, 189183), (133, 89613), (171, 69699), (189, 63061), (399, 29871), (513, 23233), (1197, 9957), (3319, 3591)]