151897221

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 64

約数和(自身を含む): 272240640

約数和(自身を除く): 120343419

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 83, 161, 189, 207, 249, 421, 483, 581, 621, 747, 1263, 1449, 1743, 1909, 2241, 2947, 3789, 4347, 5229, 5727, 8841, 9683, 11367, 13363, 15687, 17181, 26523, 29049, 34943, 40089, 51543, 67781, 79569, 87147, 104829, 120267, 203343, 244601, 261441, 314487, 360801, 610029, 733803, 803689, 943461, 1830087, 2201409, 2411067, 5625823, 6604227, 7233201, 16877469, 21699603, 50632407, 151897221]

約数ペア:

[(1, 151897221), (3, 50632407), (7, 21699603), (9, 16877469), (21, 7233201), (23, 6604227), (27, 5625823), (63, 2411067), (69, 2201409), (83, 1830087), (161, 943461), (189, 803689), (207, 733803), (249, 610029), (421, 360801), (483, 314487), (581, 261441), (621, 244601), (747, 203343), (1263, 120267), (1449, 104829), (1743, 87147), (1909, 79569), (2241, 67781), (2947, 51543), (3789, 40089), (4347, 34943), (5229, 29049), (5727, 26523), (8841, 17181), (9683, 15687), (11367, 13363)]