31190427

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{22651}}^1$

素因数の和:22680

約数の個数: 20

約数和(自身を含む): 49336056

約数和(自身を除く): 18145629

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 22651, 67953, 203859, 385067, 611577, 1155201, 1834731, 3465603, 10396809, 31190427]

約数ペア:

[(1, 31190427), (3, 10396809), (9, 3465603), (17, 1834731), (27, 1155201), (51, 611577), (81, 385067), (153, 203859), (459, 67953), (1377, 22651)]