1213304533

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 40

約数和(自身を含む): 1497212928

約数和(自身を除く): 283908395

約数列:

[1, 7, 23, 49, 127, 161, 173, 343, 889, 1127, 1211, 2401, 2921, 3979, 6223, 7889, 8477, 20447, 21971, 27853, 43561, 55223, 59339, 143129, 153797, 194971, 304927, 415373, 505333, 1001903, 1076579, 1364797, 3537331, 7013321, 7536053, 9553579, 24761317, 52752371, 173329219, 1213304533]

約数ペア:

[(1, 1213304533), (7, 173329219), (23, 52752371), (49, 24761317), (127, 9553579), (161, 7536053), (173, 7013321), (343, 3537331), (889, 1364797), (1127, 1076579), (1211, 1001903), (2401, 505333), (2921, 415373), (3979, 304927), (6223, 194971), (7889, 153797), (8477, 143129), (20447, 59339), (21971, 55223), (27853, 43561)]