27421221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 13560027

約数列:

[1, 3, 17, 23, 51, 69, 97, 241, 291, 391, 723, 1173, 1649, 2231, 4097, 4947, 5543, 6693, 12291, 16629, 23377, 37927, 70131, 94231, 113781, 282693, 397409, 537671, 1192227, 1613013, 9140407, 27421221]

約数ペア:

[(1, 27421221), (3, 9140407), (17, 1613013), (23, 1192227), (51, 537671), (69, 397409), (97, 282693), (241, 113781), (291, 94231), (391, 70131), (723, 37927), (1173, 23377), (1649, 16629), (2231, 12291), (4097, 6693), (4947, 5543)]