55120121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 71208960

約数和(自身を除く): 16088839

約数列:

[1, 7, 19, 23, 37, 133, 161, 259, 437, 487, 703, 851, 3059, 3409, 4921, 5957, 9253, 11201, 16169, 18019, 64771, 78407, 113183, 126133, 212819, 342361, 414437, 1489733, 2396527, 2901059, 7874303, 55120121]

約数ペア:

[(1, 55120121), (7, 7874303), (19, 2901059), (23, 2396527), (37, 1489733), (133, 414437), (161, 342361), (259, 212819), (437, 126133), (487, 113183), (703, 78407), (851, 64771), (3059, 18019), (3409, 16169), (4921, 11201), (5957, 9253)]