138719019

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 199618560

約数和(自身を除く): 60899541

約数列:

[1, 3, 19, 57, 71, 151, 213, 227, 453, 681, 1349, 2869, 4047, 4313, 8607, 10721, 12939, 16117, 32163, 34277, 48351, 102831, 203699, 306223, 611097, 651263, 918669, 1953789, 2433667, 7301001, 46239673, 138719019]

約数ペア:

[(1, 138719019), (3, 46239673), (19, 7301001), (57, 2433667), (71, 1953789), (151, 918669), (213, 651263), (227, 611097), (453, 306223), (681, 203699), (1349, 102831), (2869, 48351), (4047, 34277), (4313, 32163), (8607, 16117), (10721, 12939)]