207717813

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{1879}}^1$

素因数の和:2129

約数の個数: 24

約数和(自身を含む): 306184320

約数和(自身を除く): 98466507

約数列:

[1, 3, 9, 71, 173, 213, 519, 639, 1557, 1879, 5637, 12283, 16911, 36849, 110547, 133409, 325067, 400227, 975201, 1200681, 2925603, 23079757, 69239271, 207717813]

約数ペア:

[(1, 207717813), (3, 69239271), (9, 23079757), (71, 2925603), (173, 1200681), (213, 975201), (519, 400227), (639, 325067), (1557, 133409), (1879, 110547), (5637, 36849), (12283, 16911)]