1640694393

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{24473}}^1$

素因数の和:24686

約数の個数: 32

約数和(自身を含む): 2631444480

約数和(自身を除く): 990750087

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 351, 573, 1719, 2483, 5157, 7449, 22347, 24473, 67041, 73419, 220257, 318149, 660771, 954447, 2863341, 4674343, 8590023, 14023029, 42069087, 60766459, 126207261, 182299377, 546898131, 1640694393]

約数ペア:

[(1, 1640694393), (3, 546898131), (9, 182299377), (13, 126207261), (27, 60766459), (39, 42069087), (117, 14023029), (191, 8590023), (351, 4674343), (573, 2863341), (1719, 954447), (2483, 660771), (5157, 318149), (7449, 220257), (22347, 73419), (24473, 67041)]