28961439

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 44029440

約数和(自身を除く): 15068001

約数列:

[1, 3, 13, 23, 39, 69, 83, 249, 299, 389, 897, 1079, 1167, 1909, 3237, 5057, 5727, 8947, 15171, 24817, 26841, 32287, 74451, 96861, 116311, 348933, 419731, 742601, 1259193, 2227803, 9653813, 28961439]

約数ペア:

[(1, 28961439), (3, 9653813), (13, 2227803), (23, 1259193), (39, 742601), (69, 419731), (83, 348933), (249, 116311), (299, 96861), (389, 74451), (897, 32287), (1079, 26841), (1167, 24817), (1909, 15171), (3237, 8947), (5057, 5727)]