204640821

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 396085248

約数和(自身を除く): 191444427

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 37, 63, 69, 77, 99, 111, 161, 207, 231, 253, 259, 333, 347, 407, 483, 693, 759, 777, 851, 1041, 1221, 1449, 1771, 2277, 2331, 2429, 2553, 2849, 3123, 3663, 3817, 5313, 5957, 7287, 7659, 7981, 8547, 9361, 11451, 12839, 15939, 17871, 21861, 23943, 25641, 26719, 28083, 34353, 38517, 53613, 55867, 65527, 71829, 80157, 84249, 87791, 89873, 115551, 141229, 167601, 196581, 240471, 263373, 269619, 295297, 423687, 502803, 589743, 614537, 790119, 808857, 885891, 988603, 1271061, 1843611, 2067079, 2657673, 2965809, 3248267, 5530833, 6201237, 8897427, 9744801, 18603711, 22737869, 29234403, 68213607, 204640821]

約数ペア:

[(1, 204640821), (3, 68213607), (7, 29234403), (9, 22737869), (11, 18603711), (21, 9744801), (23, 8897427), (33, 6201237), (37, 5530833), (63, 3248267), (69, 2965809), (77, 2657673), (99, 2067079), (111, 1843611), (161, 1271061), (207, 988603), (231, 885891), (253, 808857), (259, 790119), (333, 614537), (347, 589743), (407, 502803), (483, 423687), (693, 295297), (759, 269619), (777, 263373), (851, 240471), (1041, 196581), (1221, 167601), (1449, 141229), (1771, 115551), (2277, 89873), (2331, 87791), (2429, 84249), (2553, 80157), (2849, 71829), (3123, 65527), (3663, 55867), (3817, 53613), (5313, 38517), (5957, 34353), (7287, 28083), (7659, 26719), (7981, 25641), (8547, 23943), (9361, 21861), (11451, 17871), (12839, 15939)]