128517387621

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{12313633}}^1$

素因数の和:12313721

約数の個数: 24

約数和(自身を含む): 202140615744

約数和(自身を除く): 73623228123

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 12313633, 36940899, 86195431, 258586293, 603368017, 874267943, 1810104051, 2622803829, 6119875601, 18359626803, 42839129207, 128517387621]

約数ペア:

[(1, 128517387621), (3, 42839129207), (7, 18359626803), (21, 6119875601), (49, 2622803829), (71, 1810104051), (147, 874267943), (213, 603368017), (497, 258586293), (1491, 86195431), (3479, 36940899), (10437, 12313633)]