12668427

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 19584000

約数和(自身を除く): 6915573

約数列:

[1, 3, 9, 27, 47, 67, 141, 149, 201, 423, 447, 603, 1269, 1341, 1809, 3149, 4023, 7003, 9447, 9983, 21009, 28341, 29949, 63027, 85023, 89847, 189081, 269541, 469201, 1407603, 4222809, 12668427]

約数ペア:

[(1, 12668427), (3, 4222809), (9, 1407603), (27, 469201), (47, 269541), (67, 189081), (141, 89847), (149, 85023), (201, 63027), (423, 29949), (447, 28341), (603, 21009), (1269, 9983), (1341, 9447), (1809, 7003), (3149, 4023)]