138678399

素因数分解:

$3^6\times {\mathrm{181}}^1\times {\mathrm{1051}}^1$

素因数の和:1250

約数の個数: 28

約数和(自身を含む): 209270152

約数和(自身を除く): 70591753

約数列:

[1, 3, 9, 27, 81, 181, 243, 543, 729, 1051, 1629, 3153, 4887, 9459, 14661, 28377, 43983, 85131, 131949, 190231, 255393, 570693, 766179, 1712079, 5136237, 15408711, 46226133, 138678399]

約数ペア:

[(1, 138678399), (3, 46226133), (9, 15408711), (27, 5136237), (81, 1712079), (181, 766179), (243, 570693), (543, 255393), (729, 190231), (1051, 131949), (1629, 85131), (3153, 43983), (4887, 28377), (9459, 14661)]