55481517

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 103381824

約数和(自身を除く): 47900307

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 169, 189, 193, 243, 273, 351, 507, 567, 579, 819, 1053, 1183, 1351, 1521, 1701, 1737, 2457, 2509, 3159, 3549, 4053, 4563, 5211, 7371, 7527, 10647, 12159, 13689, 15633, 17563, 22113, 22581, 31941, 32617, 36477, 41067, 46899, 52689, 67743, 95823, 97851, 109431, 158067, 203229, 228319, 287469, 293553, 328293, 474201, 609687, 684957, 880659, 1422603, 2054871, 2641977, 4267809, 6164613, 7925931, 18493839, 55481517]

約数ペア:

[(1, 55481517), (3, 18493839), (7, 7925931), (9, 6164613), (13, 4267809), (21, 2641977), (27, 2054871), (39, 1422603), (63, 880659), (81, 684957), (91, 609687), (117, 474201), (169, 328293), (189, 293553), (193, 287469), (243, 228319), (273, 203229), (351, 158067), (507, 109431), (567, 97851), (579, 95823), (819, 67743), (1053, 52689), (1183, 46899), (1351, 41067), (1521, 36477), (1701, 32617), (1737, 31941), (2457, 22581), (2509, 22113), (3159, 17563), (3549, 15633), (4053, 13689), (4563, 12159), (5211, 10647), (7371, 7527)]