87481681

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{6781}}^1$

素因数の和:6904

約数の個数: 16

約数和(自身を含む): 106341760

約数和(自身を除く): 18860079

約数列:

[1, 7, 19, 97, 133, 679, 1843, 6781, 12901, 47467, 128839, 657757, 901873, 4604299, 12497383, 87481681]

約数ペア:

[(1, 87481681), (7, 12497383), (19, 4604299), (97, 901873), (133, 657757), (679, 128839), (1843, 47467), (6781, 12901)]