81819933

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 123325440

約数和(自身を除く): 41505507

約数列:

[1, 3, 13, 29, 39, 73, 87, 219, 377, 949, 991, 1131, 2117, 2847, 2973, 6351, 12883, 27521, 28739, 38649, 72343, 82563, 86217, 217029, 373607, 940459, 1120821, 2097947, 2821377, 6293841, 27273311, 81819933]

約数ペア:

[(1, 81819933), (3, 27273311), (13, 6293841), (29, 2821377), (39, 2097947), (73, 1120821), (87, 940459), (219, 373607), (377, 217029), (949, 86217), (991, 82563), (1131, 72343), (2117, 38649), (2847, 28739), (2973, 27521), (6351, 12883)]