17967491997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{99871}}^1$

素因数の和:100553

約数の個数: 32

約数和(自身を含む): 29530152960

約数和(自身を除く): 11562660963

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 659, 1977, 4613, 8567, 13839, 25701, 59969, 99871, 179907, 299613, 699097, 1298323, 2097291, 3894969, 9088261, 27264783, 65814989, 197444967, 460704923, 855594857, 1382114769, 2566784571, 5989163999, 17967491997]

約数ペア:

[(1, 17967491997), (3, 5989163999), (7, 2566784571), (13, 1382114769), (21, 855594857), (39, 460704923), (91, 197444967), (273, 65814989), (659, 27264783), (1977, 9088261), (4613, 3894969), (8567, 2097291), (13839, 1298323), (25701, 699097), (59969, 299613), (99871, 179907)]