909977089

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{1549}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 1116744000

約数和(自身を除く): 206766911

約数列:

[1, 7, 19, 49, 133, 631, 931, 1549, 4417, 10843, 11989, 29431, 30919, 75901, 83923, 206017, 587461, 977419, 1442119, 6841933, 18570961, 47893531, 129996727, 909977089]

約数ペア:

[(1, 909977089), (7, 129996727), (19, 47893531), (49, 18570961), (133, 6841933), (631, 1442119), (931, 977419), (1549, 587461), (4417, 206017), (10843, 83923), (11989, 75901), (29431, 30919)]