19697601

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 33232896

約数和(自身を除く): 13535295

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 1201, 1491, 2343, 3603, 5467, 8407, 13211, 16401, 25221, 39633, 85271, 92477, 255813, 277431, 596897, 937981, 1790691, 2813943, 6565867, 19697601]

約数ペア:

[(1, 19697601), (3, 6565867), (7, 2813943), (11, 1790691), (21, 937981), (33, 596897), (71, 277431), (77, 255813), (213, 92477), (231, 85271), (497, 39633), (781, 25221), (1201, 16401), (1491, 13211), (2343, 8407), (3603, 5467)]