28689801

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 16410999

約数列:

[1, 3, 7, 21, 53, 149, 159, 173, 371, 447, 519, 1043, 1113, 1211, 3129, 3633, 7897, 9169, 23691, 25777, 27507, 55279, 64183, 77331, 165837, 180439, 192549, 541317, 1366181, 4098543, 9563267, 28689801]

約数ペア:

[(1, 28689801), (3, 9563267), (7, 4098543), (21, 1366181), (53, 541317), (149, 192549), (159, 180439), (173, 165837), (371, 77331), (447, 64183), (519, 55279), (1043, 27507), (1113, 25777), (1211, 23691), (3129, 9169), (3633, 7897)]