245507607

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 385482240

約数和(自身を除く): 139974633

約数列:

[1, 3, 9, 19, 53, 57, 103, 159, 171, 263, 309, 477, 789, 927, 1007, 1957, 2367, 3021, 4997, 5459, 5871, 9063, 13939, 14991, 16377, 17613, 27089, 41817, 44973, 49131, 81267, 103721, 125451, 243801, 264841, 311163, 514691, 794523, 933489, 1435717, 1544073, 2383569, 4307151, 4632219, 12921453, 27278623, 81835869, 245507607]

約数ペア:

[(1, 245507607), (3, 81835869), (9, 27278623), (19, 12921453), (53, 4632219), (57, 4307151), (103, 2383569), (159, 1544073), (171, 1435717), (263, 933489), (309, 794523), (477, 514691), (789, 311163), (927, 264841), (1007, 243801), (1957, 125451), (2367, 103721), (3021, 81267), (4997, 49131), (5459, 44973), (5871, 41817), (9063, 27089), (13939, 17613), (14991, 16377)]