121515051

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 200457600

約数和(自身を除く): 78942549

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 139, 147, 313, 399, 417, 931, 939, 973, 2191, 2641, 2793, 2919, 5947, 6573, 6811, 7923, 15337, 17841, 18487, 20433, 41629, 43507, 46011, 55461, 124887, 129409, 130521, 291403, 304549, 388227, 826633, 874209, 913647, 2131843, 2479899, 5786431, 6395529, 17359293, 40505017, 121515051]

約数ペア:

[(1, 121515051), (3, 40505017), (7, 17359293), (19, 6395529), (21, 5786431), (49, 2479899), (57, 2131843), (133, 913647), (139, 874209), (147, 826633), (313, 388227), (399, 304549), (417, 291403), (931, 130521), (939, 129409), (973, 124887), (2191, 55461), (2641, 46011), (2793, 43507), (2919, 41629), (5947, 20433), (6573, 18487), (6811, 17841), (7923, 15337)]