80568741

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 120185856

約数和(自身を除く): 39617115

約数列:

[1, 3, 11, 33, 71, 137, 213, 251, 411, 753, 781, 1507, 2343, 2761, 4521, 8283, 9727, 17821, 29181, 34387, 53463, 103161, 106997, 196031, 320991, 378257, 588093, 1134771, 2441477, 7324431, 26856247, 80568741]

約数ペア:

[(1, 80568741), (3, 26856247), (11, 7324431), (33, 2441477), (71, 1134771), (137, 588093), (213, 378257), (251, 320991), (411, 196031), (753, 106997), (781, 103161), (1507, 53463), (2343, 34387), (2761, 29181), (4521, 17821), (8283, 9727)]