331555437

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{109}}^1$

素因数の和:232

約数の個数: 60

約数和(自身を含む): 540732060

約数和(自身を除く): 209176623

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 109, 141, 153, 327, 423, 459, 799, 981, 1269, 1377, 1853, 2209, 2397, 2943, 3807, 5123, 5559, 6627, 7191, 8829, 15369, 16677, 19881, 21573, 37553, 46107, 50031, 59643, 64719, 87091, 112659, 138321, 150093, 178929, 240781, 261273, 337977, 414963, 722343, 783819, 1013931, 2167029, 2351457, 3041793, 4093277, 6501087, 7054371, 12279831, 19503261, 36839493, 110518479, 331555437]

約数ペア:

[(1, 331555437), (3, 110518479), (9, 36839493), (17, 19503261), (27, 12279831), (47, 7054371), (51, 6501087), (81, 4093277), (109, 3041793), (141, 2351457), (153, 2167029), (327, 1013931), (423, 783819), (459, 722343), (799, 414963), (981, 337977), (1269, 261273), (1377, 240781), (1853, 178929), (2209, 150093), (2397, 138321), (2943, 112659), (3807, 87091), (5123, 64719), (5559, 59643), (6627, 50031), (7191, 46107), (8829, 37553), (15369, 21573), (16677, 19881)]