54581805

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 97853184

約数和(自身を除く): 43271379

約数列:

[1, 3, 5, 9, 15, 45, 47, 131, 141, 197, 235, 393, 423, 591, 655, 705, 985, 1179, 1773, 1965, 2115, 2955, 5895, 6157, 8865, 9259, 18471, 25807, 27777, 30785, 46295, 55413, 77421, 83331, 92355, 129035, 138885, 232263, 277065, 387105, 416655, 1161315, 1212929, 3638787, 6064645, 10916361, 18193935, 54581805]

約数ペア:

[(1, 54581805), (3, 18193935), (5, 10916361), (9, 6064645), (15, 3638787), (45, 1212929), (47, 1161315), (131, 416655), (141, 387105), (197, 277065), (235, 232263), (393, 138885), (423, 129035), (591, 92355), (655, 83331), (705, 77421), (985, 55413), (1179, 46295), (1773, 30785), (1965, 27777), (2115, 25807), (2955, 18471), (5895, 9259), (6157, 8865)]