18421047

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{599}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 10954953

約数列:

[1, 3, 9, 17, 27, 51, 67, 153, 201, 459, 599, 603, 1139, 1797, 1809, 3417, 5391, 10183, 10251, 16173, 30549, 30753, 40133, 91647, 120399, 274941, 361197, 682261, 1083591, 2046783, 6140349, 18421047]

約数ペア:

[(1, 18421047), (3, 6140349), (9, 2046783), (17, 1083591), (27, 682261), (51, 361197), (67, 274941), (153, 120399), (201, 91647), (459, 40133), (599, 30753), (603, 30549), (1139, 16173), (1797, 10251), (1809, 10183), (3417, 5391)]