1305213

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{683}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 2183328

約数和(自身を除く): 878115

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 683, 1911, 2049, 4781, 8879, 14343, 26637, 33467, 62153, 100401, 186459, 435071, 1305213]

約数ペア:

[(1, 1305213), (3, 435071), (7, 186459), (13, 100401), (21, 62153), (39, 33467), (49, 26637), (91, 14343), (147, 8879), (273, 4781), (637, 2049), (683, 1911)]