80456481

素因数分解:

$3^2\times 7^3\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 137904000

約数和(自身を除く): 57447519

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 343, 389, 441, 469, 603, 1029, 1167, 1407, 2723, 3087, 3283, 3501, 4221, 8169, 9849, 19061, 22981, 24507, 26063, 29547, 57183, 68943, 78189, 133427, 171549, 182441, 206829, 234567, 400281, 547323, 1200843, 1277087, 1641969, 3831261, 8939609, 11493783, 26818827, 80456481]

約数ペア:

[(1, 80456481), (3, 26818827), (7, 11493783), (9, 8939609), (21, 3831261), (49, 1641969), (63, 1277087), (67, 1200843), (147, 547323), (201, 400281), (343, 234567), (389, 206829), (441, 182441), (469, 171549), (603, 133427), (1029, 78189), (1167, 68943), (1407, 57183), (2723, 29547), (3087, 26063), (3283, 24507), (3501, 22981), (4221, 19061), (8169, 9849)]