16686891

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:114

約数の個数: 60

約数和(自身を含む): 28697328

約数和(自身を除く): 12010437

約数列:

[1, 3, 9, 13, 23, 27, 39, 53, 69, 81, 117, 159, 169, 207, 299, 351, 477, 507, 621, 689, 897, 1053, 1219, 1431, 1521, 1863, 2067, 2691, 3657, 3887, 4293, 4563, 6201, 8073, 8957, 10971, 11661, 13689, 15847, 18603, 24219, 26871, 32913, 34983, 47541, 55809, 80613, 98739, 104949, 142623, 206011, 241839, 314847, 427869, 618033, 725517, 1283607, 1854099, 5562297, 16686891]

約数ペア:

[(1, 16686891), (3, 5562297), (9, 1854099), (13, 1283607), (23, 725517), (27, 618033), (39, 427869), (53, 314847), (69, 241839), (81, 206011), (117, 142623), (159, 104949), (169, 98739), (207, 80613), (299, 55809), (351, 47541), (477, 34983), (507, 32913), (621, 26871), (689, 24219), (897, 18603), (1053, 15847), (1219, 13689), (1431, 11661), (1521, 10971), (1863, 8957), (2067, 8073), (2691, 6201), (3657, 4563), (3887, 4293)]