28494927

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 43954560

約数和(自身を除く): 15459633

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 2347, 4047, 7041, 12141, 21123, 44593, 133779, 166637, 401337, 499911, 1499733, 3166103, 9498309, 28494927]

約数ペア:

[(1, 28494927), (3, 9498309), (9, 3166103), (19, 1499733), (57, 499911), (71, 401337), (171, 166637), (213, 133779), (639, 44593), (1349, 21123), (2347, 12141), (4047, 7041)]