321006978

素因数分解:

$2^1\times 3^2\times {\mathrm{127}}^1\times {\mathrm{140423}}^1$

素因数の和:140558

約数の個数: 24

約数和(自身を含む): 700996608

約数和(自身を除く): 379989630

約数列:

[1, 2, 3, 6, 9, 18, 127, 254, 381, 762, 1143, 2286, 140423, 280846, 421269, 842538, 1263807, 2527614, 17833721, 35667442, 53501163, 107002326, 160503489, 321006978]

約数ペア:

[(1, 321006978), (2, 160503489), (3, 107002326), (6, 53501163), (9, 35667442), (18, 17833721), (127, 2527614), (254, 1263807), (381, 842538), (762, 421269), (1143, 280846), (2286, 140423)]