71657649

素因数分解:

$3^3\times 7^2\times {\mathrm{54163}}^1$

素因数の和:54186

約数の個数: 24

約数和(自身を含む): 123493920

約数和(自身を除く): 51836271

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 54163, 162489, 379141, 487467, 1137423, 1462401, 2653987, 3412269, 7961961, 10236807, 23885883, 71657649]

約数ペア:

[(1, 71657649), (3, 23885883), (7, 10236807), (9, 7961961), (21, 3412269), (27, 2653987), (49, 1462401), (63, 1137423), (147, 487467), (189, 379141), (441, 162489), (1323, 54163)]