81460917

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2791}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 128655360

約数和(自身を除く): 47194443

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 1081, 1269, 2791, 3243, 8373, 9729, 25119, 29187, 64193, 75357, 131177, 192579, 393531, 577737, 1180593, 1733211, 3017071, 3541779, 9051213, 27153639, 81460917]

約数ペア:

[(1, 81460917), (3, 27153639), (9, 9051213), (23, 3541779), (27, 3017071), (47, 1733211), (69, 1180593), (141, 577737), (207, 393531), (423, 192579), (621, 131177), (1081, 75357), (1269, 64193), (2791, 29187), (3243, 25119), (8373, 9729)]