9975399

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 16711680

約数和(自身を除く): 6736281

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1087, 1311, 3059, 3261, 7609, 9177, 20653, 22827, 25001, 61959, 75003, 144571, 175007, 433713, 475019, 525021, 1425057, 3325133, 9975399]

約数ペア:

[(1, 9975399), (3, 3325133), (7, 1425057), (19, 525021), (21, 475019), (23, 433713), (57, 175007), (69, 144571), (133, 75003), (161, 61959), (399, 25001), (437, 22827), (483, 20653), (1087, 9177), (1311, 7609), (3059, 3261)]