328943937

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{5437}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 520655872

約数和(自身を除く): 191711935

約数列:

[1, 3, 7, 21, 43, 67, 129, 201, 301, 469, 903, 1407, 2881, 5437, 8643, 16311, 20167, 38059, 60501, 114177, 233791, 364279, 701373, 1092837, 1636537, 2549953, 4909611, 7649859, 15663997, 46991991, 109647979, 328943937]

約数ペア:

[(1, 328943937), (3, 109647979), (7, 46991991), (21, 15663997), (43, 7649859), (67, 4909611), (129, 2549953), (201, 1636537), (301, 1092837), (469, 701373), (903, 364279), (1407, 233791), (2881, 114177), (5437, 60501), (8643, 38059), (16311, 20167)]