15281595

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 31549440

約数和(自身を除く): 16267845

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 103, 105, 135, 157, 189, 309, 315, 471, 515, 721, 785, 927, 945, 1099, 1413, 1545, 2163, 2355, 2781, 3297, 3605, 4239, 4635, 5495, 6489, 7065, 9891, 10815, 13905, 16171, 16485, 19467, 21195, 29673, 32445, 48513, 49455, 80855, 97335, 113197, 145539, 148365, 242565, 339591, 436617, 565985, 727695, 1018773, 1697955, 2183085, 3056319, 5093865, 15281595]

約数ペア:

[(1, 15281595), (3, 5093865), (5, 3056319), (7, 2183085), (9, 1697955), (15, 1018773), (21, 727695), (27, 565985), (35, 436617), (45, 339591), (63, 242565), (103, 148365), (105, 145539), (135, 113197), (157, 97335), (189, 80855), (309, 49455), (315, 48513), (471, 32445), (515, 29673), (721, 21195), (785, 19467), (927, 16485), (945, 16171), (1099, 13905), (1413, 10815), (1545, 9891), (2163, 7065), (2355, 6489), (2781, 5495), (3297, 4635), (3605, 4239)]