81197802

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:274

約数の個数: 120

約数和(自身を含む): 216758916

約数和(自身を除く): 135561114

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 53, 54, 63, 81, 98, 106, 126, 147, 159, 162, 189, 193, 294, 318, 371, 378, 386, 441, 477, 567, 579, 742, 882, 954, 1113, 1134, 1158, 1323, 1351, 1431, 1737, 2226, 2597, 2646, 2702, 2862, 3339, 3474, 3969, 4053, 4293, 5194, 5211, 6678, 7791, 7938, 8106, 8586, 9457, 10017, 10229, 10422, 12159, 15582, 15633, 18914, 20034, 20458, 23373, 24318, 28371, 30051, 30687, 31266, 36477, 46746, 56742, 60102, 61374, 70119, 71603, 72954, 85113, 92061, 109431, 140238, 143206, 170226, 184122, 210357, 214809, 218862, 255339, 276183, 420714, 429618, 501221, 510678, 552366, 644427, 766017, 828549, 1002442, 1288854, 1503663, 1532034, 1657098, 1933281, 3007326, 3866562, 4510989, 5799843, 9021978, 11599686, 13532967, 27065934, 40598901, 81197802]

約数ペア:

[(1, 81197802), (2, 40598901), (3, 27065934), (6, 13532967), (7, 11599686), (9, 9021978), (14, 5799843), (18, 4510989), (21, 3866562), (27, 3007326), (42, 1933281), (49, 1657098), (53, 1532034), (54, 1503663), (63, 1288854), (81, 1002442), (98, 828549), (106, 766017), (126, 644427), (147, 552366), (159, 510678), (162, 501221), (189, 429618), (193, 420714), (294, 276183), (318, 255339), (371, 218862), (378, 214809), (386, 210357), (441, 184122), (477, 170226), (567, 143206), (579, 140238), (742, 109431), (882, 92061), (954, 85113), (1113, 72954), (1134, 71603), (1158, 70119), (1323, 61374), (1351, 60102), (1431, 56742), (1737, 46746), (2226, 36477), (2597, 31266), (2646, 30687), (2702, 30051), (2862, 28371), (3339, 24318), (3474, 23373), (3969, 20458), (4053, 20034), (4293, 18914), (5194, 15633), (5211, 15582), (6678, 12159), (7791, 10422), (7938, 10229), (8106, 10017), (8586, 9457)]