393456495

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 672436224

約数和(自身を除く): 278979729

約数列:

[1, 3, 5, 15, 31, 67, 73, 93, 155, 173, 201, 219, 335, 365, 465, 519, 865, 1005, 1095, 2077, 2263, 2595, 4891, 5363, 6231, 6789, 10385, 11315, 11591, 12629, 14673, 16089, 24455, 26815, 31155, 33945, 34773, 37887, 57955, 63145, 73365, 80445, 151621, 173865, 189435, 359321, 391499, 454863, 758105, 846143, 1077963, 1174497, 1796605, 1957495, 2274315, 2538429, 4230715, 5389815, 5872485, 12692145, 26230433, 78691299, 131152165, 393456495]

約数ペア:

[(1, 393456495), (3, 131152165), (5, 78691299), (15, 26230433), (31, 12692145), (67, 5872485), (73, 5389815), (93, 4230715), (155, 2538429), (173, 2274315), (201, 1957495), (219, 1796605), (335, 1174497), (365, 1077963), (465, 846143), (519, 758105), (865, 454863), (1005, 391499), (1095, 359321), (2077, 189435), (2263, 173865), (2595, 151621), (4891, 80445), (5363, 73365), (6231, 63145), (6789, 57955), (10385, 37887), (11315, 34773), (11591, 33945), (12629, 31155), (14673, 26815), (16089, 24455)]