200864979

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9871}}^1$

素因数の和:9920

約数の個数: 48

約数和(自身を含む): 369607680

約数和(自身を除く): 168742701

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 2261, 2907, 6783, 9871, 20349, 29613, 69097, 88839, 167807, 187549, 207291, 503421, 562647, 621873, 1174649, 1312843, 1510263, 1687941, 3188333, 3523947, 3938529, 9564999, 10571841, 11815587, 22318331, 28694997, 66954993, 200864979]

約数ペア:

[(1, 200864979), (3, 66954993), (7, 28694997), (9, 22318331), (17, 11815587), (19, 10571841), (21, 9564999), (51, 3938529), (57, 3523947), (63, 3188333), (119, 1687941), (133, 1510263), (153, 1312843), (171, 1174649), (323, 621873), (357, 562647), (399, 503421), (969, 207291), (1071, 187549), (1197, 167807), (2261, 88839), (2907, 69097), (6783, 29613), (9871, 20349)]