18507447

素因数分解:

$3^4\times 7^2\times {\mathrm{4663}}^1$

素因数の和:4689

約数の個数: 30

約数和(自身を含む): 32167608

約数和(自身を除く): 13660161

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4663, 13989, 32641, 41967, 97923, 125901, 228487, 293769, 377703, 685461, 881307, 2056383, 2643921, 6169149, 18507447]

約数ペア:

[(1, 18507447), (3, 6169149), (7, 2643921), (9, 2056383), (21, 881307), (27, 685461), (49, 377703), (63, 293769), (81, 228487), (147, 125901), (189, 97923), (441, 41967), (567, 32641), (1323, 13989), (3969, 4663)]