206886231

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{751}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 327571200

約数和(自身を除く): 120684969

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 179, 513, 537, 751, 1539, 1611, 2253, 3401, 4833, 6759, 10203, 14269, 14499, 20277, 30609, 42807, 60831, 91827, 128421, 134429, 275481, 385263, 403287, 1155789, 1209861, 2554151, 3629583, 7662453, 10888749, 22987359, 68962077, 206886231]

約数ペア:

[(1, 206886231), (3, 68962077), (9, 22987359), (19, 10888749), (27, 7662453), (57, 3629583), (81, 2554151), (171, 1209861), (179, 1155789), (513, 403287), (537, 385263), (751, 275481), (1539, 134429), (1611, 128421), (2253, 91827), (3401, 60831), (4833, 42807), (6759, 30609), (10203, 20277), (14269, 14499)]