1645940541

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{18047}}^1$

素因数の和:18201

約数の個数: 32

約数和(自身を含む): 2591981568

約数和(自身を除く): 946041027

約数列:

[1, 3, 7, 21, 43, 101, 129, 301, 303, 707, 903, 2121, 4343, 13029, 18047, 30401, 54141, 91203, 126329, 378987, 776021, 1822747, 2328063, 5432147, 5468241, 12759229, 16296441, 38277687, 78378121, 235134363, 548646847, 1645940541]

約数ペア:

[(1, 1645940541), (3, 548646847), (7, 235134363), (21, 78378121), (43, 38277687), (101, 16296441), (129, 12759229), (301, 5468241), (303, 5432147), (707, 2328063), (903, 1822747), (2121, 776021), (4343, 378987), (13029, 126329), (18047, 91203), (30401, 54141)]