201581289

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{246131}}^1$

素因数の和:246157

約数の個数: 24

約数和(自身を含む): 358368192

約数和(自身を除く): 156786903

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 246131, 738393, 1722917, 2215179, 3199703, 5168751, 9599109, 15506253, 22397921, 28797327, 67193763, 201581289]

約数ペア:

[(1, 201581289), (3, 67193763), (7, 28797327), (9, 22397921), (13, 15506253), (21, 9599109), (39, 5168751), (63, 3199703), (91, 2215179), (117, 1722917), (273, 738393), (819, 246131)]