51489165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{563}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 103090176

約数和(自身を除く): 51601011

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 67, 91, 105, 195, 201, 273, 335, 455, 469, 563, 871, 1005, 1365, 1407, 1689, 2345, 2613, 2815, 3941, 4355, 6097, 7035, 7319, 8445, 11823, 13065, 18291, 19705, 21957, 30485, 36595, 37721, 51233, 59115, 91455, 109785, 113163, 153699, 188605, 256165, 264047, 490373, 565815, 768495, 792141, 1320235, 1471119, 2451865, 3432611, 3960705, 7355595, 10297833, 17163055, 51489165]

約数ペア:

[(1, 51489165), (3, 17163055), (5, 10297833), (7, 7355595), (13, 3960705), (15, 3432611), (21, 2451865), (35, 1471119), (39, 1320235), (65, 792141), (67, 768495), (91, 565815), (105, 490373), (195, 264047), (201, 256165), (273, 188605), (335, 153699), (455, 113163), (469, 109785), (563, 91455), (871, 59115), (1005, 51233), (1365, 37721), (1407, 36595), (1689, 30485), (2345, 21957), (2613, 19705), (2815, 18291), (3941, 13065), (4355, 11823), (6097, 8445), (7035, 7319)]