9972207

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2777}}^1$

素因数の和:2812

約数の個数: 32

約数和(自身を含む): 17779200

約数和(自身を除く): 7806993

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 2777, 3591, 8331, 19439, 24993, 52763, 58317, 74979, 158289, 174951, 369341, 474867, 524853, 1108023, 1424601, 3324069, 9972207]

約数ペア:

[(1, 9972207), (3, 3324069), (7, 1424601), (9, 1108023), (19, 524853), (21, 474867), (27, 369341), (57, 174951), (63, 158289), (133, 74979), (171, 58317), (189, 52763), (399, 24993), (513, 19439), (1197, 8331), (2777, 3591)]