81193497

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1297}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 135573504

約数和(自身を除く): 54380007

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 271, 813, 1297, 1897, 2981, 3891, 5691, 8943, 9079, 14267, 20867, 27237, 42801, 62601, 99869, 299607, 351487, 1054461, 2460409, 3866357, 7381227, 11599071, 27064499, 81193497]

約数ペア:

[(1, 81193497), (3, 27064499), (7, 11599071), (11, 7381227), (21, 3866357), (33, 2460409), (77, 1054461), (231, 351487), (271, 299607), (813, 99869), (1297, 62601), (1897, 42801), (2981, 27237), (3891, 20867), (5691, 14267), (8943, 9079)]