12667509

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8231}}^1$

素因数の和:8262

約数の個数: 20

約数和(自身を含む): 19921440

約数和(自身を除く): 7253931

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8231, 24693, 74079, 156389, 222237, 469167, 666711, 1407501, 4222503, 12667509]

約数ペア:

[(1, 12667509), (3, 4222503), (9, 1407501), (19, 666711), (27, 469167), (57, 222237), (81, 156389), (171, 74079), (513, 24693), (1539, 8231)]