66521091

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1753}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 110010880

約数和(自身を除く): 43489789

約数列:

[1, 3, 7, 13, 21, 39, 91, 139, 273, 417, 973, 1753, 1807, 2919, 5259, 5421, 12271, 12649, 22789, 36813, 37947, 68367, 159523, 243667, 478569, 731001, 1705669, 3167671, 5117007, 9503013, 22173697, 66521091]

約数ペア:

[(1, 66521091), (3, 22173697), (7, 9503013), (13, 5117007), (21, 3167671), (39, 1705669), (91, 731001), (139, 478569), (273, 243667), (417, 159523), (973, 68367), (1753, 37947), (1807, 36813), (2919, 22789), (5259, 12649), (5421, 12271)]