16681509

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6199}}^1$

素因数の和:6241

約数の個数: 24

約数和(自身を含む): 27081600

約数和(自身を除く): 10400091

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 6199, 18597, 55791, 80587, 142577, 241761, 427731, 725283, 1283193, 1853501, 5560503, 16681509]

約数ペア:

[(1, 16681509), (3, 5560503), (9, 1853501), (13, 1283193), (23, 725283), (39, 427731), (69, 241761), (117, 142577), (207, 80587), (299, 55791), (897, 18597), (2691, 6199)]