17911383

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 10538409

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 293, 497, 861, 879, 1491, 2051, 2911, 6153, 8733, 12013, 20377, 20803, 36039, 61131, 62409, 84091, 145621, 252273, 436863, 852923, 2558769, 5970461, 17911383]

約数ペア:

[(1, 17911383), (3, 5970461), (7, 2558769), (21, 852923), (41, 436863), (71, 252273), (123, 145621), (213, 84091), (287, 62409), (293, 61131), (497, 36039), (861, 20803), (879, 20377), (1491, 12013), (2051, 8733), (2911, 6153)]