206475489

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:651

約数の個数: 72

約数和(自身を含む): 365994720

約数和(自身を除く): 159519231

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 121, 153, 171, 187, 209, 323, 363, 561, 587, 627, 969, 1089, 1683, 1761, 1881, 2057, 2299, 2907, 3553, 5283, 6171, 6457, 6897, 9979, 10659, 11153, 18513, 19371, 20691, 29937, 31977, 33459, 39083, 58113, 71027, 89811, 100377, 109769, 117249, 122683, 189601, 213081, 329307, 351747, 368049, 568803, 639243, 987921, 1104147, 1207459, 1349513, 1706409, 2085611, 3622377, 4048539, 6256833, 10867131, 12145617, 18770499, 22941721, 68825163, 206475489]

約数ペア:

[(1, 206475489), (3, 68825163), (9, 22941721), (11, 18770499), (17, 12145617), (19, 10867131), (33, 6256833), (51, 4048539), (57, 3622377), (99, 2085611), (121, 1706409), (153, 1349513), (171, 1207459), (187, 1104147), (209, 987921), (323, 639243), (363, 568803), (561, 368049), (587, 351747), (627, 329307), (969, 213081), (1089, 189601), (1683, 122683), (1761, 117249), (1881, 109769), (2057, 100377), (2299, 89811), (2907, 71027), (3553, 58113), (5283, 39083), (6171, 33459), (6457, 31977), (6897, 29937), (9979, 20691), (10659, 19371), (11153, 18513)]