1689303

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 32

約数和(自身を含む): 2875392

約数和(自身を除く): 1186089

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 103, 213, 231, 309, 497, 721, 781, 1133, 1491, 2163, 2343, 3399, 5467, 7313, 7931, 16401, 21939, 23793, 51191, 80443, 153573, 241329, 563101, 1689303]

約数ペア:

[(1, 1689303), (3, 563101), (7, 241329), (11, 153573), (21, 80443), (33, 51191), (71, 23793), (77, 21939), (103, 16401), (213, 7931), (231, 7313), (309, 5467), (497, 3399), (721, 2343), (781, 2163), (1133, 1491)]