17890509

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^2$

素因数の和:178

約数の個数: 36

約数和(自身を含む): 29941728

約数和(自身を除く): 12051219

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 169, 213, 273, 497, 507, 923, 1183, 1491, 2769, 3549, 5041, 6461, 11999, 15123, 19383, 35287, 35997, 65533, 83993, 105861, 196599, 251979, 458731, 851929, 1376193, 2555787, 5963503, 17890509]

約数ペア:

[(1, 17890509), (3, 5963503), (7, 2555787), (13, 1376193), (21, 851929), (39, 458731), (71, 251979), (91, 196599), (169, 105861), (213, 83993), (273, 65533), (497, 35997), (507, 35287), (923, 19383), (1183, 15123), (1491, 11999), (2769, 6461), (3549, 5041)]