27926409

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69991}}^1$

素因数の和:70020

約数の個数: 16

約数和(自身を含む): 44794880

約数和(自身を除く): 16868471

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 69991, 209973, 489937, 1329829, 1469811, 3989487, 9308803, 27926409]

約数ペア:

[(1, 27926409), (3, 9308803), (7, 3989487), (19, 1469811), (21, 1329829), (57, 489937), (133, 209973), (399, 69991)]