87812459

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{11131}}^1$

素因数の和:11175

約数の個数: 16

約数和(自身を含む): 106867200

約数和(自身を除く): 19054741

約数列:

[1, 7, 23, 49, 161, 343, 1127, 7889, 11131, 77917, 256013, 545419, 1792091, 3817933, 12544637, 87812459]

約数ペア:

[(1, 87812459), (7, 12544637), (23, 3817933), (49, 1792091), (161, 545419), (343, 256013), (1127, 77917), (7889, 11131)]