23987817

素因数分解:

$3^2\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1091}}^1$

素因数の和:1453

約数の個数: 24

約数和(自身を含む): 39748800

約数和(自身を除く): 15760983

約数列:

[1, 3, 7, 9, 21, 63, 349, 1047, 1091, 2443, 3141, 3273, 7329, 7637, 9819, 21987, 22911, 68733, 380759, 1142277, 2665313, 3426831, 7995939, 23987817]

約数ペア:

[(1, 23987817), (3, 7995939), (7, 3426831), (9, 2665313), (21, 1142277), (63, 380759), (349, 68733), (1047, 22911), (1091, 21987), (2443, 9819), (3141, 7637), (3273, 7329)]