16597791

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 28796064

約数和(自身を除く): 12198273

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 401, 511, 567, 657, 1203, 1533, 1971, 2807, 3609, 4599, 5913, 8421, 10827, 13797, 25263, 29273, 32481, 41391, 75789, 87819, 204911, 227367, 263457, 614733, 790371, 1844199, 2371113, 5532597, 16597791]

約数ペア:

[(1, 16597791), (3, 5532597), (7, 2371113), (9, 1844199), (21, 790371), (27, 614733), (63, 263457), (73, 227367), (81, 204911), (189, 87819), (219, 75789), (401, 41391), (511, 32481), (567, 29273), (657, 25263), (1203, 13797), (1533, 10827), (1971, 8421), (2807, 5913), (3609, 4599)]