2156931

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 36

約数和(自身を含む): 3728712

約数和(自身を除く): 1571781

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 73, 147, 201, 219, 441, 469, 511, 603, 657, 1407, 1533, 3283, 3577, 4221, 4599, 4891, 9849, 10731, 14673, 29547, 32193, 34237, 44019, 102711, 239659, 308133, 718977, 2156931]

約数ペア:

[(1, 2156931), (3, 718977), (7, 308133), (9, 239659), (21, 102711), (49, 44019), (63, 34237), (67, 32193), (73, 29547), (147, 14673), (201, 10731), (219, 9849), (441, 4891), (469, 4599), (511, 4221), (603, 3577), (657, 3283), (1407, 1533)]