128534865

素因数分解:

$3^1\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{6961}}^1$

素因数の和:8200

約数の個数: 16

約数和(自身を含む): 205852416

約数和(自身を除く): 77317551

約数列:

[1, 3, 5, 15, 1231, 3693, 6155, 6961, 18465, 20883, 34805, 104415, 8568991, 25706973, 42844955, 128534865]

約数ペア:

[(1, 128534865), (3, 42844955), (5, 25706973), (15, 8568991), (1231, 104415), (3693, 34805), (6155, 20883), (6961, 18465)]