142879221

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{353}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 226163520

約数和(自身を除く): 83284299

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 263, 353, 513, 789, 1059, 1539, 2367, 3177, 4997, 6707, 7101, 9531, 14991, 20121, 21303, 28593, 44973, 60363, 92839, 134919, 181089, 278517, 404757, 543267, 835551, 1763941, 2506653, 5291823, 7519959, 15875469, 47626407, 142879221]

約数ペア:

[(1, 142879221), (3, 47626407), (9, 15875469), (19, 7519959), (27, 5291823), (57, 2506653), (81, 1763941), (171, 835551), (263, 543267), (353, 404757), (513, 278517), (789, 181089), (1059, 134919), (1539, 92839), (2367, 60363), (3177, 44973), (4997, 28593), (6707, 21303), (7101, 20121), (9531, 14991)]