1431213

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 2442240

約数和(自身を除く): 1011027

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 211, 323, 357, 399, 633, 969, 1477, 2261, 3587, 4009, 4431, 6783, 10761, 12027, 25109, 28063, 68153, 75327, 84189, 204459, 477071, 1431213]

約数ペア:

[(1, 1431213), (3, 477071), (7, 204459), (17, 84189), (19, 75327), (21, 68153), (51, 28063), (57, 25109), (119, 12027), (133, 10761), (211, 6783), (323, 4431), (357, 4009), (399, 3587), (633, 2261), (969, 1477)]