87939687

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2137}}^1$

素因数の和:2223

約数の個数: 32

約数和(自身を含む): 135463680

約数和(自身を除く): 47523993

約数列:

[1, 3, 11, 29, 33, 43, 87, 129, 319, 473, 957, 1247, 1419, 2137, 3741, 6411, 13717, 23507, 41151, 61973, 70521, 91891, 185919, 275673, 681703, 1010801, 2045109, 2664839, 3032403, 7994517, 29313229, 87939687]

約数ペア:

[(1, 87939687), (3, 29313229), (11, 7994517), (29, 3032403), (33, 2664839), (43, 2045109), (87, 1010801), (129, 681703), (319, 275673), (473, 185919), (957, 91891), (1247, 70521), (1419, 61973), (2137, 41151), (3741, 23507), (6411, 13717)]