243789

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:89

約数の個数: 32

約数和(自身を含む): 430080

約数和(自身を除く): 186291

約数列:

[1, 3, 7, 13, 19, 21, 39, 47, 57, 91, 133, 141, 247, 273, 329, 399, 611, 741, 893, 987, 1729, 1833, 2679, 4277, 5187, 6251, 11609, 12831, 18753, 34827, 81263, 243789]

約数ペア:

[(1, 243789), (3, 81263), (7, 34827), (13, 18753), (19, 12831), (21, 11609), (39, 6251), (47, 5187), (57, 4277), (91, 2679), (133, 1833), (141, 1729), (247, 987), (273, 893), (329, 741), (399, 611)]