278519161779

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{257}}^1\times {\mathrm{227627}}^1$

素因数の和:227936

約数の個数: 36

約数和(自身を含む): 422195764536

約数和(自身を除く): 143676602757

約数列:

[1, 3, 9, 23, 69, 207, 257, 529, 771, 1587, 2313, 4761, 5911, 17733, 53199, 135953, 227627, 407859, 682881, 1223577, 2048643, 5235421, 15706263, 47118789, 58500139, 120414683, 175500417, 361244049, 526501251, 1083732147, 1345503197, 4036509591, 12109528773, 30946573531, 92839720593, 278519161779]

約数ペア:

[(1, 278519161779), (3, 92839720593), (9, 30946573531), (23, 12109528773), (69, 4036509591), (207, 1345503197), (257, 1083732147), (529, 526501251), (771, 361244049), (1587, 175500417), (2313, 120414683), (4761, 58500139), (5911, 47118789), (17733, 15706263), (53199, 5235421), (135953, 2048643), (227627, 1223577), (407859, 682881)]