1991865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 3484800

約数和(自身を除く): 1492935

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 241, 285, 435, 551, 723, 1205, 1653, 2755, 3615, 4579, 6989, 8265, 13737, 20967, 22895, 34945, 68685, 104835, 132791, 398373, 663955, 1991865]

約数ペア:

[(1, 1991865), (3, 663955), (5, 398373), (15, 132791), (19, 104835), (29, 68685), (57, 34945), (87, 22895), (95, 20967), (145, 13737), (241, 8265), (285, 6989), (435, 4579), (551, 3615), (723, 2755), (1205, 1653)]