87899973

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{19289}}^1$

素因数の和:19337

約数の個数: 24

約数和(自身を含む): 140739840

約数和(自身を除く): 52839867

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 19289, 57867, 135023, 405069, 597959, 945161, 1793877, 2835483, 4185713, 12557139, 29299991, 87899973]

約数ペア:

[(1, 87899973), (3, 29299991), (7, 12557139), (21, 4185713), (31, 2835483), (49, 1793877), (93, 945161), (147, 597959), (217, 405069), (651, 135023), (1519, 57867), (4557, 19289)]