1721335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 2737152

約数和(自身を除く): 1015817

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 263, 385, 595, 935, 1309, 1315, 1841, 2893, 4471, 6545, 9205, 14465, 20251, 22355, 31297, 49181, 101255, 156485, 245905, 344267, 1721335]

約数ペア:

[(1, 1721335), (5, 344267), (7, 245905), (11, 156485), (17, 101255), (35, 49181), (55, 31297), (77, 22355), (85, 20251), (119, 14465), (187, 9205), (263, 6545), (385, 4471), (595, 2893), (935, 1841), (1309, 1315)]