71784531

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87649}}^1$

素因数の和:87675

約数の個数: 24

約数和(自身を含む): 127618400

約数和(自身を除く): 55833869

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 87649, 262947, 613543, 788841, 1139437, 1840629, 3418311, 5521887, 7976059, 10254933, 23928177, 71784531]

約数ペア:

[(1, 71784531), (3, 23928177), (7, 10254933), (9, 7976059), (13, 5521887), (21, 3418311), (39, 1840629), (63, 1139437), (91, 788841), (117, 613543), (273, 262947), (819, 87649)]