81905577

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 121570176

約数和(自身を除く): 39664599

約数列:

[1, 3, 13, 39, 41, 123, 181, 283, 533, 543, 849, 1599, 2353, 3679, 7059, 7421, 11037, 11603, 22263, 34809, 51223, 96473, 150839, 153669, 289419, 452517, 665899, 1997697, 2100143, 6300429, 27301859, 81905577]

約数ペア:

[(1, 81905577), (3, 27301859), (13, 6300429), (39, 2100143), (41, 1997697), (123, 665899), (181, 452517), (283, 289419), (533, 153669), (543, 150839), (849, 96473), (1599, 51223), (2353, 34809), (3679, 22263), (7059, 11603), (7421, 11037)]