81178254

素因数分解:

$2^1\times 3^3\times {\mathrm{137}}^1\times {\mathrm{10973}}^1$

素因数の和:11121

約数の個数: 32

約数和(自身を含む): 181729440

約数和(自身を除く): 100551186

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 137, 274, 411, 822, 1233, 2466, 3699, 7398, 10973, 21946, 32919, 65838, 98757, 197514, 296271, 592542, 1503301, 3006602, 4509903, 9019806, 13529709, 27059418, 40589127, 81178254]

約数ペア:

[(1, 81178254), (2, 40589127), (3, 27059418), (6, 13529709), (9, 9019806), (18, 4509903), (27, 3006602), (54, 1503301), (137, 592542), (274, 296271), (411, 197514), (822, 98757), (1233, 65838), (2466, 32919), (3699, 21946), (7398, 10973)]