218146881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 312864768

約数和(自身を除く): 94717887

約数列:

[1, 3, 23, 47, 69, 137, 141, 411, 491, 1081, 1473, 3151, 3243, 6439, 9453, 11293, 19317, 23077, 33879, 67267, 69231, 148097, 201801, 444291, 530771, 1547141, 1592313, 3161549, 4641423, 9484647, 72715627, 218146881]

約数ペア:

[(1, 218146881), (3, 72715627), (23, 9484647), (47, 4641423), (69, 3161549), (137, 1592313), (141, 1547141), (411, 530771), (491, 444291), (1081, 201801), (1473, 148097), (3151, 69231), (3243, 67267), (6439, 33879), (9453, 23077), (11293, 19317)]