1331463

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 2211840

約数和(自身を除く): 880377

約数列:

[1, 3, 7, 19, 21, 47, 57, 71, 133, 141, 213, 329, 399, 497, 893, 987, 1349, 1491, 2679, 3337, 4047, 6251, 9443, 10011, 18753, 23359, 28329, 63403, 70077, 190209, 443821, 1331463]

約数ペア:

[(1, 1331463), (3, 443821), (7, 190209), (19, 70077), (21, 63403), (47, 28329), (57, 23359), (71, 18753), (133, 10011), (141, 9443), (213, 6251), (329, 4047), (399, 3337), (497, 2679), (893, 1491), (987, 1349)]