291216371121

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{173827}}^1$

素因数の和:173932

約数の個数: 80

約数和(自身を含む): 492344864704

約数和(自身を除く): 201128493583

約数列:

[1, 3, 9, 13, 27, 37, 39, 43, 81, 111, 117, 129, 333, 351, 387, 481, 559, 999, 1053, 1161, 1443, 1591, 1677, 2997, 3483, 4329, 4773, 5031, 12987, 14319, 15093, 20683, 38961, 42957, 45279, 62049, 128871, 173827, 186147, 521481, 558441, 1564443, 1675323, 2259751, 4693329, 6431599, 6779253, 7474561, 14079987, 19294797, 20337759, 22423683, 57884391, 61013277, 67271049, 83610787, 97169293, 173653173, 183039831, 201813147, 250832361, 276558757, 291507879, 520959519, 605439441, 752497083, 829676271, 874523637, 2257491249, 2489028813, 2623570911, 3595263841, 6772473747, 7467086439, 7870712733, 10785791523, 22401259317, 32357374569, 97072123707, 291216371121]

約数ペア:

[(1, 291216371121), (3, 97072123707), (9, 32357374569), (13, 22401259317), (27, 10785791523), (37, 7870712733), (39, 7467086439), (43, 6772473747), (81, 3595263841), (111, 2623570911), (117, 2489028813), (129, 2257491249), (333, 874523637), (351, 829676271), (387, 752497083), (481, 605439441), (559, 520959519), (999, 291507879), (1053, 276558757), (1161, 250832361), (1443, 201813147), (1591, 183039831), (1677, 173653173), (2997, 97169293), (3483, 83610787), (4329, 67271049), (4773, 61013277), (5031, 57884391), (12987, 22423683), (14319, 20337759), (15093, 19294797), (20683, 14079987), (38961, 7474561), (42957, 6779253), (45279, 6431599), (62049, 4693329), (128871, 2259751), (173827, 1675323), (186147, 1564443), (521481, 558441)]