214680921

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25367}}^1$

素因数の和:25421

約数の個数: 32

約数和(自身を含む): 363675648

約数和(自身を除く): 148994727

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 25367, 76101, 177569, 329771, 532707, 786377, 989313, 2308397, 2359131, 5504639, 6925191, 10222901, 16513917, 30668703, 71560307, 214680921]

約数ペア:

[(1, 214680921), (3, 71560307), (7, 30668703), (13, 16513917), (21, 10222901), (31, 6925191), (39, 5504639), (91, 2359131), (93, 2308397), (217, 989313), (273, 786377), (403, 532707), (651, 329771), (1209, 177569), (2821, 76101), (8463, 25367)]