207875385

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 366949440

約数和(自身を除く): 159074055

約数列:

[1, 3, 5, 9, 15, 45, 131, 179, 197, 393, 537, 591, 655, 895, 985, 1179, 1611, 1773, 1965, 2685, 2955, 5895, 8055, 8865, 23449, 25807, 35263, 70347, 77421, 105789, 117245, 129035, 176315, 211041, 232263, 317367, 351735, 387105, 528945, 1055205, 1161315, 1586835, 4619453, 13858359, 23097265, 41575077, 69291795, 207875385]

約数ペア:

[(1, 207875385), (3, 69291795), (5, 41575077), (9, 23097265), (15, 13858359), (45, 4619453), (131, 1586835), (179, 1161315), (197, 1055205), (393, 528945), (537, 387105), (591, 351735), (655, 317367), (895, 232263), (985, 211041), (1179, 176315), (1611, 129035), (1773, 117245), (1965, 105789), (2685, 77421), (2955, 70347), (5895, 35263), (8055, 25807), (8865, 23449)]