81896145

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2579}}^1$

素因数の和:2689

約数の個数: 32

約数和(自身を含む): 137462400

約数和(自身を除く): 55566255

約数列:

[1, 3, 5, 15, 29, 73, 87, 145, 219, 365, 435, 1095, 2117, 2579, 6351, 7737, 10585, 12895, 31755, 38685, 74791, 188267, 224373, 373955, 564801, 941335, 1121865, 2824005, 5459743, 16379229, 27298715, 81896145]

約数ペア:

[(1, 81896145), (3, 27298715), (5, 16379229), (15, 5459743), (29, 2824005), (73, 1121865), (87, 941335), (145, 564801), (219, 373955), (365, 224373), (435, 188267), (1095, 74791), (2117, 38685), (2579, 31755), (6351, 12895), (7737, 10585)]