205122561

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 347493888

約数和(自身を除く): 142371327

約数列:

[1, 3, 7, 17, 21, 37, 51, 53, 111, 119, 159, 259, 293, 357, 371, 629, 777, 879, 901, 1113, 1887, 1961, 2051, 2703, 4403, 4981, 5883, 6153, 6307, 10841, 13209, 13727, 14943, 15529, 18921, 32523, 33337, 34867, 41181, 46587, 75887, 100011, 104601, 108703, 184297, 227661, 233359, 263993, 326109, 552891, 574573, 700077, 791979, 1290079, 1723719, 1847951, 3870237, 4022011, 5543853, 9767741, 12066033, 29303223, 68374187, 205122561]

約数ペア:

[(1, 205122561), (3, 68374187), (7, 29303223), (17, 12066033), (21, 9767741), (37, 5543853), (51, 4022011), (53, 3870237), (111, 1847951), (119, 1723719), (159, 1290079), (259, 791979), (293, 700077), (357, 574573), (371, 552891), (629, 326109), (777, 263993), (879, 233359), (901, 227661), (1113, 184297), (1887, 108703), (1961, 104601), (2051, 100011), (2703, 75887), (4403, 46587), (4981, 41181), (5883, 34867), (6153, 33337), (6307, 32523), (10841, 18921), (13209, 15529), (13727, 14943)]