67686381

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3347}}^1$

素因数の和:3470

約数の個数: 32

約数和(自身を含む): 115706880

約数和(自身を除く): 48020499

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 3347, 6741, 10041, 20223, 23429, 30123, 70287, 90369, 210861, 358129, 632583, 1074387, 2506903, 3223161, 7520709, 9669483, 22562127, 67686381]

約数ペア:

[(1, 67686381), (3, 22562127), (7, 9669483), (9, 7520709), (21, 3223161), (27, 2506903), (63, 1074387), (107, 632583), (189, 358129), (321, 210861), (749, 90369), (963, 70287), (2247, 30123), (2889, 23429), (3347, 20223), (6741, 10041)]