1281552891

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:787

約数の個数: 32

約数和(自身を含む): 1789931520

約数和(自身を除く): 508378629

約数列:

[1, 3, 29, 87, 191, 233, 331, 573, 699, 993, 5539, 6757, 9599, 16617, 20271, 28797, 44503, 63221, 77123, 133509, 189663, 231369, 1290587, 1833409, 2236567, 3871761, 5500227, 6709701, 14730493, 44191479, 427184297, 1281552891]

約数ペア:

[(1, 1281552891), (3, 427184297), (29, 44191479), (87, 14730493), (191, 6709701), (233, 5500227), (331, 3871761), (573, 2236567), (699, 1833409), (993, 1290587), (5539, 231369), (6757, 189663), (9599, 133509), (16617, 77123), (20271, 63221), (28797, 44503)]