13972581

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1297}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 25129280

約数和(自身を除く): 11156699

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1297, 1539, 3591, 3891, 9079, 10773, 11673, 24643, 27237, 35019, 73929, 81711, 105057, 172501, 221787, 245133, 517503, 665361, 735399, 1552509, 1996083, 4657527, 13972581]

約数ペア:

[(1, 13972581), (3, 4657527), (7, 1996083), (9, 1552509), (19, 735399), (21, 665361), (27, 517503), (57, 245133), (63, 221787), (81, 172501), (133, 105057), (171, 81711), (189, 73929), (399, 35019), (513, 27237), (567, 24643), (1197, 11673), (1297, 10773), (1539, 9079), (3591, 3891)]