215565921

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 326304000

約数和(自身を除く): 110738079

約数列:

[1, 3, 9, 27, 89, 109, 267, 327, 801, 823, 981, 2403, 2469, 2943, 7407, 9701, 22221, 29103, 73247, 87309, 89707, 219741, 261927, 269121, 659223, 807363, 1977669, 2422089, 7983923, 23951769, 71855307, 215565921]

約数ペア:

[(1, 215565921), (3, 71855307), (9, 23951769), (27, 7983923), (89, 2422089), (109, 1977669), (267, 807363), (327, 659223), (801, 269121), (823, 261927), (981, 219741), (2403, 89707), (2469, 87309), (2943, 73247), (7407, 29103), (9701, 22221)]