71247897

素因数分解:

$3^3\times 7^1\times {\mathrm{479}}^1\times {\mathrm{787}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 121036800

約数和(自身を除く): 49788903

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 479, 787, 1437, 2361, 3353, 4311, 5509, 7083, 10059, 12933, 16527, 21249, 30177, 49581, 90531, 148743, 376973, 1130919, 2638811, 3392757, 7916433, 10178271, 23749299, 71247897]

約数ペア:

[(1, 71247897), (3, 23749299), (7, 10178271), (9, 7916433), (21, 3392757), (27, 2638811), (63, 1130919), (189, 376973), (479, 148743), (787, 90531), (1437, 49581), (2361, 30177), (3353, 21249), (4311, 16527), (5509, 12933), (7083, 10059)]