79431939

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{30539}}^1$

素因数の和:30579

約数の個数: 18

約数和(自身を含む): 121885140

約数和(自身を除く): 42453201

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 30539, 91617, 274851, 519163, 1557489, 4672467, 8825771, 26477313, 79431939]

約数ペア:

[(1, 79431939), (3, 26477313), (9, 8825771), (17, 4672467), (51, 1557489), (153, 519163), (289, 274851), (867, 91617), (2601, 30539)]