30185961957

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{21921541}}^1$

素因数の和:21921570

約数の個数: 20

約数和(自身を含む): 47745118476

約数和(自身を除く): 17559156519

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 21921541, 65764623, 197293869, 372666197, 591881607, 1117998591, 1775644821, 3353995773, 10061987319, 30185961957]

約数ペア:

[(1, 30185961957), (3, 10061987319), (9, 3353995773), (17, 1775644821), (27, 1117998591), (51, 591881607), (81, 372666197), (153, 197293869), (459, 65764623), (1377, 21921541)]