201571515

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 356311488

約数和(自身を除く): 154739973

約数列:

[1, 3, 5, 9, 15, 45, 103, 157, 277, 309, 471, 515, 785, 831, 927, 1385, 1413, 1545, 2355, 2493, 4155, 4635, 7065, 12465, 16171, 28531, 43489, 48513, 80855, 85593, 130467, 142655, 145539, 217445, 242565, 256779, 391401, 427965, 652335, 727695, 1283895, 1957005, 4479367, 13438101, 22396835, 40314303, 67190505, 201571515]

約数ペア:

[(1, 201571515), (3, 67190505), (5, 40314303), (9, 22396835), (15, 13438101), (45, 4479367), (103, 1957005), (157, 1283895), (277, 727695), (309, 652335), (471, 427965), (515, 391401), (785, 256779), (831, 242565), (927, 217445), (1385, 145539), (1413, 142655), (1545, 130467), (2355, 85593), (2493, 80855), (4155, 48513), (4635, 43489), (7065, 28531), (12465, 16171)]