70387947

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2949

約数の個数: 40

約数和(自身を含む): 123005696

約数和(自身を除く): 52617749

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 2709, 2887, 3483, 8127, 8661, 20209, 24381, 25983, 60627, 77949, 124141, 181881, 233847, 372423, 545643, 868987, 1117269, 1636929, 2606961, 3351807, 7820883, 10055421, 23462649, 70387947]

約数ペア:

[(1, 70387947), (3, 23462649), (7, 10055421), (9, 7820883), (21, 3351807), (27, 2606961), (43, 1636929), (63, 1117269), (81, 868987), (129, 545643), (189, 372423), (301, 233847), (387, 181881), (567, 124141), (903, 77949), (1161, 60627), (2709, 25983), (2887, 24381), (3483, 20209), (8127, 8661)]