72139653

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{5821}}^1$

素因数の和:5856

約数の個数: 28

約数和(自身を含む): 114542028

約数和(自身を除く): 42402375

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 5821, 12393, 17463, 52389, 98957, 157167, 296871, 471501, 890613, 1414503, 2671839, 4243509, 8015517, 24046551, 72139653]

約数ペア:

[(1, 72139653), (3, 24046551), (9, 8015517), (17, 4243509), (27, 2671839), (51, 1414503), (81, 890613), (153, 471501), (243, 296871), (459, 157167), (729, 98957), (1377, 52389), (4131, 17463), (5821, 12393)]