66879975

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 116635392

約数和(自身を除く): 49755417

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 137, 283, 345, 411, 575, 685, 849, 1415, 1725, 2055, 3151, 3425, 4245, 6509, 7075, 9453, 10275, 15755, 19527, 21225, 32545, 38771, 47265, 78775, 97635, 116313, 162725, 193855, 236325, 488175, 581565, 891733, 969275, 2675199, 2907825, 4458665, 13375995, 22293325, 66879975]

約数ペア:

[(1, 66879975), (3, 22293325), (5, 13375995), (15, 4458665), (23, 2907825), (25, 2675199), (69, 969275), (75, 891733), (115, 581565), (137, 488175), (283, 236325), (345, 193855), (411, 162725), (575, 116313), (685, 97635), (849, 78775), (1415, 47265), (1725, 38771), (2055, 32545), (3151, 21225), (3425, 19527), (4245, 15755), (6509, 10275), (7075, 9453)]