755685021

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{2999}}^1$

素因数の和:3106

約数の個数: 48

約数和(自身を含む): 1264896000

約数和(自身を除く): 509210979

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 169, 213, 273, 497, 507, 923, 1183, 1491, 2769, 2999, 3549, 6461, 8997, 11999, 19383, 20993, 35997, 38987, 62979, 83993, 116961, 212929, 251979, 272909, 506831, 638787, 818727, 1490503, 1520493, 2768077, 3547817, 4471509, 8304231, 10643451, 19376539, 35985001, 58129617, 107955003, 251895007, 755685021]

約数ペア:

[(1, 755685021), (3, 251895007), (7, 107955003), (13, 58129617), (21, 35985001), (39, 19376539), (71, 10643451), (91, 8304231), (169, 4471509), (213, 3547817), (273, 2768077), (497, 1520493), (507, 1490503), (923, 818727), (1183, 638787), (1491, 506831), (2769, 272909), (2999, 251979), (3549, 212929), (6461, 116961), (8997, 83993), (11999, 62979), (19383, 38987), (20993, 35997)]