215707995

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37159}}^1$

素因数の和:37216

約数の個数: 32

約数和(自身を含む): 392409600

約数和(自身を除く): 176701605

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 37159, 111477, 185795, 334431, 557385, 1003293, 1597837, 1672155, 4793511, 5016465, 7989185, 14380533, 23967555, 43141599, 71902665, 215707995]

約数ペア:

[(1, 215707995), (3, 71902665), (5, 43141599), (9, 23967555), (15, 14380533), (27, 7989185), (43, 5016465), (45, 4793511), (129, 1672155), (135, 1597837), (215, 1003293), (387, 557385), (645, 334431), (1161, 185795), (1935, 111477), (5805, 37159)]