9980271

素因数分解:

$3^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 17409600

約数和(自身を除く): 7429329

約数列:

[1, 3, 7, 9, 21, 49, 53, 61, 63, 147, 159, 183, 343, 371, 427, 441, 477, 549, 1029, 1113, 1281, 2597, 2989, 3087, 3233, 3339, 3843, 7791, 8967, 9699, 18179, 20923, 22631, 23373, 26901, 29097, 54537, 62769, 67893, 158417, 163611, 188307, 203679, 475251, 1108919, 1425753, 3326757, 9980271]

約数ペア:

[(1, 9980271), (3, 3326757), (7, 1425753), (9, 1108919), (21, 475251), (49, 203679), (53, 188307), (61, 163611), (63, 158417), (147, 67893), (159, 62769), (183, 54537), (343, 29097), (371, 26901), (427, 23373), (441, 22631), (477, 20923), (549, 18179), (1029, 9699), (1113, 8967), (1281, 7791), (2597, 3843), (2989, 3339), (3087, 3233)]